Physics High School

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It is common to struggle to maintain a fitness regime.
A.
True
B.
False

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Answers

Answer 1

Answer:

A.true

we struggle to maintain a fitness regime

Related Questions

Realiza la siguiente conversión de unidades: 340 N a Kgf

Answers

Answer:

The answer is 34.67 kilograms force

1)Calculate the mass of a girl that has a weight of 113 Newtons.

2)Determine the weight of a boy of mass 13.4 Kg.
could someone help e asap with this

Answers

Answer:

Explanation:We should know that weight = mass * gravity.

That is weight equals mass times gravity.

Gravity is a force of attraction between any two bodies in the universe. It is directly proportional to product of their masses and inversely proportional to the square of the distance between them.

Gravity is generally measured in terms of acceleration due to gravity, denoted as g. For Earth it is, 9.8 m/s². And for moon, it is about 1.62 m/s².

On Earth, your weight is 70 kg = W

W = mass x 9.8

70 = mass x 9.8

Your mass is 70/ 9.8

i.e approximately 7.14

Weight at the Moon, W' = 7.14 x 1.62

Hence, your weight on the surface of the moon is just 11.56 kg.

Congratulations, you've lost about 58.14 kilograms without any hard exercise. And you're as light as a Sweedish Vallhund! Cheers!

Find the instantaneous velocity at 8.5s

Answers

When looking at a displacement-time graph, automatically you should realize that the slope is the instantaneous velocity at a specific point. That is, if x increases from 0 to 1 in 2 seconds, the slope would be the change in x divided by the change in time, so (1-0)/2 = 1/2.

As for your problem, we’re looking at when t=8.5s. At this point in the graph, we see a slope that starts at t=8 and ends at t=9, for the change in t of (9-8)=1 second. As for the change in x, we see it goes from -2 to 0 in this time for a change in x of (0-(-2))=2 (remember that a change in a variable is the final number minus the initial number). Therefore, the change in x over the change in time when t=8.5 seconds is 2/1 or just 2. So the instantaneous velocity at t=8.5 is 2m/s.

a car reaches 80 kilometers per hour, then suddenly crashes into the concrete wall

Answers

Answer:

what is the question ? That is only a statement

What will happen to the current if the voltage is reduced to one half? ​

Answers

We use v=IR and assuming the resistance doesn’t change we can also say that the voltage and current (I) are directly proportional which means the voltage also decreases by 1/2

Calculate the total resistance and current in a parallel circuit with three resistors of 4 ohms, 8 ohms, and 16 ohms, using any one of the five methods (calculator suggested). What are the values

Answers

Answer: 2.3 ohms (5.3 amperes)

Explanation:

How do you calculate concrete weight per cubic yard?

Answers

Total weight = Volume × density

5) calculate weight of concrete slab by multiplying volume and their density in similar unit as Weight = Volume× density, density= 150lb/ cf, so total weight = 33 cf × 150 lb/cf = 4950 pounds or 2.475 short tons.


A 8 kg cat is running 4 m/s. How much kinetic energy does it
have?
tin nergy and is rolling

Answers

Answer:

The formula for kinetic energy is,  

where m is mass and v is velocity.  

It's kinetic energy is 64 Joules.

Explanation:

The mass of the train is 120 000 kg.
Calculate the acceleration of the train at 10, s.

Answers

Answer:

120,010

Explanation:

what are the ways to achieve physical fitness?(3-5 sentences)​

Answers

Answer:

Choose aerobic activities such as walking.

Exercise for at least 30 minutes on all or most days of the week.

Cut back on junk food.

Eat smaller food portions.

Increase the amount of fresh fruits and vegetables, lean meats, low-fat dairy products and wholegrain foods in your daily diet.

Explanation:

this is the correct answer

5 ways to complete fitness is riding a bike for 2 hours early in the morning another way is to lift weights then rat healthy while working out

is the total energy input of a wood fire is equal to the total energy output ?

Answers

Answer:

Energy in the campfire originates from the potential chemical energy of the wood, before it is burnt to warm and give light around the campfire.

Explanation:

For a camp fire, the energy input is in the form of the potential chemical energy, stored up in the firewood used to fuel the flame.

The energy output is in the form of heat energy that the campfire radiates all around, light energy given off from the flame, and a little bit of sound energy, heard in the cracking of the firewood as they burn in the flame.

chemical energy ⇒ heat energy + light energy + sound energy

The light-colored, heavily cratered areas that often occur at higher elevations on the Moon are known as the ______.

Answers

Answer:

Lunar Highlands

Explanation:

For a wave, the _________ is the distance between two successive crests, while the _________ is the time elapsed between two successive crests passing by the same point.

Answers

Answer:

The distance between two successive crests of a wave is one way to define its wavelength, so

λ

=

1.15

m

.

The frequency of a wave is the number of waves passing a given point per second, so

f

=

20

16.2

=

1.23

Hz

.

The speed of a wave is given* as

v

=

λ

f

, so here

v

=

1.15

⋅

1.23

=

1.42

m/s

~~~~

*This is because the wavelength is the "distance per wave" and the frequency is the "number of waves per second," so multiplying the two gives "distance per second." This can be verified with dimensional analysis:

meters

wave

×

waves

second

=

meters

second

Part C
Both circuit 2 and circuit 3 have a battery that provides energy to light two bulbs. Based on your observations of
brightness, which battery would run out more quickly when the switches are closed?m

Answers

Answer: The battery in circuit 3 would run out more quickly when the switches are closed because the two bulbs are brighter, which means the battery is providing more energy to that circuit.

Explanation: Answer from plato

the local units are not internationally accepted for measurement why​

Answers

i hope you will accept my answer and please put a picture next for your next question

a boy slides down a hill on a sled accelerating 0.90 m/s^2. if he started from rest, what distance would he slide on the snow in 5s?

Answers

Answer:

4.5 m

Explanation:

multiply 0.90 by 5

which rock band personally paid for the lighting of prague castle?

Answers

Answer:

The Rolling Stones

Explanation:

like kinds of magnetic poles repel while unlike kinds of magnetic poles

Answers

Answer:

attracts

Explanation:

What does Newton’s law of universal gravitation state?

Answers

Answer

Newton's law of gravitation, statement that any particle of matter in the universe attracts any other with the force varying directly the product of the masses and inversely as the square of the distance between them. ...

on the pH scale the closer you get to 14, the more acidic the substance
is this true or false?

Answers

false

Explanation:

because ,as the number of ph increases it is to basic

What is the voltage across a 6 Q load when 3 A of current passes through it?

A. 2V
B. 9V
C. 18V
D. 36V​

Answers

Answer:

It's 18V.

Explanation:

V = I•R

V = 3•6

V = 18

18V

Hope It Helps. Please mark Me As Brainliest.

in simple harmonic motion, the speed is greatest at that point in the cycle when

Answers

Answer:

when the magnitude of the acceleration is a minimum

Explanation:

A car is moving at a speed of 19.8 m/s does the highway.
If it travels for 140s, how far will it move?

Answers

Answer:

A car is moving at a speed of 19.8 m/s does the highway.

If it travels for 140s, how far will it move?

Explanation:

A car is moving at a speed of 19.8 m/s does the highway.

If it travels for 140s, how far will it move?

in the simple harmonic motion of a block on a spring, what is the restoring force proportional to?

Answers

Answer:

Explanation:

displacement

Simple harmonic motion is often modeled with the example of a mass on a spring, where the restoring force obey's Hooke's Law and is directly proportional to the displacement of an object from its equilibrium position.

2 to the power of 10 is 25

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Please I need help I know that I put it in the wrong subject I did it on purpose please help me..

Why is loyalty important citizenship?
CER

Claim:

Evidence:

Reasoning:

Answers

Answer:

Loyalty-Being loyal is important to being a good citizen because it shows that you acknowledge the effort others have put in to what you are doing and it shows that you enjoy what you are doing. Loyalty is important to a productive community because it promotes good work and effort

Explanation:

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What does the amplitude of sound refer to?
the sound’s volume
the sound’s pitch
the sound’s duration
the sound’s frequency

Answers

Answer:

2) the sounds pitch

The strength or level of sound pressure

please give brainliest

have a nice day!

The sounds volume, it can’t be pitch cause frequency affects pitch and it can’t be duration that’s just the total length of wave, and it can’t be frequency cause that affects pitch

what is an avcoto????//

Answers

A vegetable that people eat around the world it is green and it has a big seed on the inside of it and the outside is a A dark green layer with a bumpy texture

Answer:

avocado, also called alligator pear, fruit of Persea americana of the family Lauraceae, a tree native to the Western Hemisphere from Mexico south to the Andean regions.

Explanation:

why does he bring her back even though he might be punished​

Answers

Answer: because he loves her:)

Explanation:

PLEASE PLEASE PLEASE HELP ME!!!!!!!!!!!!!! PLEASE

Answers

Explanation:

I think that's helpful, correct

A 1 kg cart has 5 J of work done on it. If the initial velocity of the cart was 3 m/s, what is the final velocity of the cart?

Answers

The final velocity of the cart at the given mass is 4.36 m/s.

The given parameters;

mass of the cart, m = 1 kgwork done on the cart, W = 5 Jinitial velocity of the cart, u = 3 m/s

The distance traveled by the cart is calculated as follows;

Fd = W

mgh = W

[tex]h = \frac{W}{mg} \\\\h = \frac{5}{1 \times 9.8} \\\\h = 0.51 \ m[/tex]

The final velocity of the cart is calculated as follows;

[tex]v^2 = u^2 + 2gh\\\\v^2 = (3)^2 + 2(9.8)(0.51)\\\\v^2 = 18.996\\\\v = \sqrt{18.996} \\\\v = 4.36 \ m/s[/tex]

Thus, the final velocity of the cart at the given mass is 4.36 m/s.

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