Answer:
A
Explanation:
This is to do with convection currents :)
Hope this helps!
As defined in physics "work" is
Answer:
in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.
Explanation:
what is the acceleration of a softball if it has a mass of 0.50kg and hits the catcher’s glove with a force of 25 N
Answer:
mass=0.50kg
force=25N
acceleration =?
Now,
force=m×a
25=0.50×a
25÷0.50=a
50=a
acceleration =50m/s^2 answer!!!!
hope this may help you!!!!
Answer:
The answer is 50 m/s squared.
Explanation:
A=M/F
A= 25 Newtons
------------------ (DIVIDED BY)
0.5 Kilograms
A= 50 m/s squared
describe the relationship between the car's braking distance and kinetic energy
A large crate is pushed to the right along a rough surface
by a
320 N applied force. The friction force due to the surface
is 100 N, and the mass of the box is 40 kg. Determine the
net force acting on the crate.
A. 400 N
B. 320 N
C. 100 N
D. 220 N
Answer:
a
Explanation:
f is mg
The distance versus time plot for a particular object shows a quadratic relationship. Which column of distance data is possible for this situation?
Time (s)
A. Distance (m) B. Distance (m) C. Distance (m) D. Distance (m) E. Distance (m)
0
0
2.00
9.00
+
1
1
1.00
4.00
18.00
1.00
1.00
2
4.00
6.00
27.00
0.50
0.25
3
9.00
8.00
36.00
0.33
0.11
4
16.00
10.00
45.00
0.25
0.06
5
25.00
12.00
54.00
0.20
0.04
6
36.00
14.00
63.00
0.16
0.02
O A column A
OB. column B
OC. column C
OD. column D
O E. column E
Answer:
A
Explanation:
Select the correct answer. Your target heart rate is between 60% and 80 % of your maximum heart rate. A. True B. False
A women weighs 857 N. What is her mass?
Answer:
women based on height usually should way about 200 pounds which included muscle.
Explanation:
pls help im begging you
Answer:
I think it's TRUE because forces change an object's motion but dont quote me on it ok? Cause I'm not a 100 percent sure
What happens to the TOTAL energy when energy is transferred from potential energy to kinetic energy and then from kinetic energy back to potential energy ?
Please help!!
Answer: the answer to the question is B
Because of the fact that it keeps switching, from kinetic to potential, and again from potential to kinetic, as a result, while it is moving around in motion, it will lose energy.
:D
Best of Luck!
Which factor has the greatest effect on the strength of an electromagnet?
A. The position of the ammeter in the circuit
B. The distance between the battery and the electromagnet
C. The type of insulation that covers the wire
D. The number of coils of wire around the core
Answer:
The number of coils of wire around the core
Explanation:
A P E X approved✅
Answer:
d
Explanation:
a pex
Which statement best describes the importance of joints in the roadways of Bridges ?
a. Joints strengthen the roadway to support cars and trucks
b. Joints allow the roadway to expand and
contract with varying outside temperatures
c. Joints allow the roadway to expand and contract as cars put force on the bridge
d. Joints allow the bridge to be built in smaller, easier to assemble pieces.
Answer:
c. Joints allow the roadway to expand and contract as cars put force on the bridge
Explanation:
The reasons why joints are allowed on roadway is to accommodate the contraction and expansion of the road as cars put force on them.
Most materials used in making roadways are susceptible to expansion and contraction. When a measure of force is applied their length either increases or decreases depending on the type of force. To accommodate these changes, joints are placed in roadwaysURGENT WILL MARK BRAINIEST: A penguin of mass 30 kg sits motionless on a horizontal ice surface. Calculate the force of gravity acting on the penguin. Show your equation.
Answer: Fw = 30 kg * 9.8 m/s^2 = 294 N.
Explanation: To change from weight to mass divide by gravity (9.8 m/s^2)
PHYSICS HW PLS HELP I DONT UNDERSTAND
Which of the following is not apart of the Particle Theory of Matter? *
A. Atoms are always in motion
B. The motion of atoms increase with temperature
C. Atoms attract each other
D. Atoms do not have empty spaces between them
Answer:
D. Atoms do not have empty spaces between them
Explanation:
That atoms do not have empty spaces between them is not part of the particle theory of matter.
Here are some of the postulates of the theory;
A gas is composed of a large number of identical molecules moving at different speeds. The space occupied by gas molecules is negligible compared to the volume of space they occupy. The temperature of a gas is a function of their average kinetic energy.It's 2:30 pm in India, when it's 12:00 pm in London. So if I travel from India to London in one second, will I time travel?
Answer:
No and yes
Explanation:
Yes technically you are time traveling.
But not in the way like the movies or whatever when they go to 1956 or whatever.
You are time traveling because you are going from 2:30 to 12:00. And you are traveling :|
But no because. . . just no :\
I'm not sure how to explain.
A football player runs directly down the field for 45m before turning to the right at an angle of 25 degrees from his original direction and running additional 20m before getting tackled. What is the magnitude and direction of the runner's total displacement?
............................................................................... Hello wonderful person <3
two ways that friction can be reduced
Answer:
One way is to polish the surface and the other way is to use oil or grease between the surfaces.
Explanation:
Hope this is right lol :)
HElP I NEED TO turn this in
A science class breaks into four groups and tests the pH of the soil surrounding the school. Each group goes to an area that is three meters squared (3m2) in size and tests the soil four different times within that square. The data collected is then placed into a table for everyone to see as shown below.
Four students draw the following conclusions from the data
Student 1. Group D's data should be discarded because it is not similar enough to the other groups' data
Student 2: There must be something near the parking lot that causes the pH of the soul to be higher and the class should design a new experiment to determine whether
Student 3. There are definitely more magnesium ions in the soil near the parking lot, and that is why the pH of the soil is higher there
Student 4. The pH of the soil in the ball field should be measured again because no two readings were identical
Which student's conclusion is scientifically valid based on the data in the table above? A. Student 1 B. Student 2 C.student 3 D student 4
What is the force of a box with a mass of 50 Kg being accelerated with a force of 9.8 m/s27
Answer:
490 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 50 × 9.8
490 NHope this helps you
Find the speed of a wave (in meters/second) whose wavelength is 4 meters and
whose frequency is 3.5 Hz. Enter a number rounded to the first decimal place
(e.g. "0.1").
Your answer
Wave speed = (wavelength) x (frequency)
Wave speed = (4 m) x (3.5 /s)
Wave speed = 14.0 m/s
The primary __________ cortex specializes in receiving signals from different parts of the body.
A.
visual
B.
motor
C.
somatosensory
D.
auditory
Answer:
C. somatosensory
Explanation:
The somatosensory cortex is located in the front area of the parietal lobe. It receives signals for various areas of the body registering sensory input.
The primary somatosensory cortex specializes in receiving signals from different parts of the body.
What is somatosensory?The somatosensory is subsystem of nervous system that represents visual stimulus.
The somatosensory system is the network of neural structures in the brain and body that helps us to detect touch, temperature, and pain.
Thus, the primary somatosensory cortex specializes in receiving signals from different parts of the body.
Learn more about somatosensory here: https://brainly.com/question/7331754
Frequency of a wave is 20 Hz. It travels with a speed of 5 m/sec. What is wavelength?
Answer:
omg i uses to know this answer
Explanation:
but I forgot
A 15.0kg object is resting on the earth. What is the mass and weight of the object?
Answer:
The mass of the object is 15.0 kg
The weight of the object is 147.15 N
Explanation:
The mass of the object is the quantity of matter contained in the object or the measure of the its property of inertia.
The mass is constant through out the universe
The mass of the object is given as 15.0 kg
The weight of the object is the force of attraction of the Earth on the object
The weight is dependent on the interacting objects.
The weight of the object = The mass of the object × Acceleration due to gravity
Where;
The acceleration due to gravity, g = 9.81 m/s²
∴ The weight of the object = 15.0 kg × 9.81 m/s²= 147.15 N
The weight of the object = 147.15 N
The Great Salt Lake is located in __________.
A.
Mississippi
B.
Arizona
C.
Florida
D.
Utah
Answer:
D
Explanation:
Also the capitol of Utah is Salt Lake City
Hope this helps!
Answer:
Utah
Explanation:
The Great Salt Lake, located in the northern part of the U.S. state of Utah, is the largest salt water lake in the Western Hemisphere, and the eighth-largest terminal lake in the world.
What is produced by AC and DC generators?
chemical energy
mechanical energy
electrical energy
magnetic energy
Answer:
electrical energy
Explanation:
In an AC and DC generator, electrical energy is generated in such systems.
Both AC and DC generators are used to produce electrical energy in order to power homes and industrial tools.
Electrical energy is produced due to movement of electrons. In the generators, often times, a fuel is the source of the energy for the process. The fuel has a chemical energy which is converted to electrical energy through the design of the system.Which of the following sentences shows the correct use of a transition word? Even though I was sick, I went to the doctor. My shoes were new. Likewise, my brother’s shoes were old. It was raining in the morning. Consequently, it was snowing in the afternoon. I stayed up late for several nights. Eventually, I was too tired to concentrate.]
Answer:
d
Explanation:
on edge
The sentence that shows the correct use of a transition word is I stayed up late for several nights. Eventually, I was too tired to concentrate. The correct option is D.
What are transition words?Transitional words include the words "and," "but," "so," and "because." They demonstrate to your reader the connections between words, and sentences.
Utilize these transitions wisely by making sure the word or phrase you choose adheres to the logic of the connection or relationship you are emphasizing.
Before utilizing a certain transitional word in your paper, make sure you fully understand its meaning and usage and that it is the correct match for the logic of your thesis. All of these words and phrases have various meanings, nuances, and connotations.
Therefore, the correct option is D, I stayed up late for several nights. Eventually, I was too tired to concentrate
To learn more about transition words, refer to the link:
https://brainly.com/question/29775567
#SPJ6
Explain how one physical property each of acid, base and sait is used by man
Answer:
Hope this helps :)
Thanxx :)
Brainliest whoever answers first!!! and right!!! Identify the situations that have an unbalanced force. Check all that apply. a weight speeds up as it falls through the air a garbage can is at rest on the ground a hockey puck moves in a straight line at a constant speed a bumper car hit by another car moves off at an angle a balloon flies across the room when the air is released
Answer:
its A,D,E
Explanation:
I got 2 right one of them wrong
Answer:
A baseball speeds up as it falls through the air.
Yes. Forces on the balloon are unbalanced.
The balloon is speeding up, so we know that the downward force
of gravity is stronger than the upward force of air resistance.
A soccer ball is at rest on the ground.
No. The ball is not accelerating, so we know that the forces on it
are balanced.
The downward force of gravity on the ball and the upward force
of the ground are equal.
An ice skater glides in a straight line at a constant speed.
No. The skater's speed and direction are not changing, so he is not
accelerating. That tells us that the forces on him are balanced.
A bumper car hit by another car moves off at an angle.
Yes. The direction in which the car was moving changed.
That's acceleration, so we know that the forces on it are unbalanced,
at least at the moment of impact.
A balloon flies across the room when the air is released.
Yes. The balloon was not moving. But when the little nozzle was
opened, it started to zip around the room. So its speed changed.
And, as it goes bloozing around the room, its direction keeps changing too.
There's a whole lot of acceleration going on, so we know the forces on it
are unbalanced.
Explanation:
molecular compounds do not conduct electrify because they
a. break up into irons
b. do not break up into ions
c. do not dissolve in water
d. have high melting points
if you guess right I'll mark you brainliest
Answer:
a
Explanation:
Answer:
b. do not break up into ions
Explanation:
molecular compounds don't break up into ions when dissolved or melted.
Boost your own ______
by living your life, not watching others live their fake ones!
O intelligence
O weight
o self-confidence
O wealth
Answer:
Self-confidence
Explanation:
Boost your own self-confidence by living your life, not watching others live their fake ones!
The other choices do not fit as well as self-confidence does, but it's also a common phrase to say "boost your own self-confidence."
