A canoe accelerates 3 m/s/s when a force of 6 newtons is applied to it. What is the mass of the canoe and passengers?

Answer:

Every object in the universe that has mass exerts a gravitational pull, or force, on every other mass. The size of the pull depends on the masses of the objects. You exert a gravitational force on the people around you, but that force isn't very strong, since people aren't very massive.

Answer:

All objects having mass

Explanation:

What the other guy said

also I took the test!

Answer:

C

becuase its where a wave (light etc) goes through a narrow area or across an edge of an area

Answer:

D

Explanation:

F=ma

a=F/m

according to option D, F is constant

so acceleration is inversely proportional to mass and A has half the mass of B. Hence, acceleration of A will be twice of B if same force is applied.

Answer:

To provide flexibility in the structure to expand and contract temperature variation; also designed to accommodate movement between structures

Answer:

the slope of the line on a velocity versus time graph is equal to the acceleration of the object ctto google

Answer:

To know what will happen we first need to know if the birth rate is more or if the death rate is more if the birth rate had a sudden increases above the death rate we would likely face population problems on the other hand if the death rate is increased more than the birth rate we would have less population problems and more food and resources but if the birth and death rate were to increase equally there would just be a standstill in the population  

Explanation:

Answer:

Mass doesn't change.

Weight is measured based on gravitational pull.

Explanation:

Answer:

See explanation

Explanation:

A pure sample is known to give one spot on a chromatogram. This is the first indication that the substance is a pure substance. Since the student saw a single spot, the unknown substance is pure.

Subsequently, the substance can be boiled since it is a liquid. Impure substances boil over a range of temperatures. If the substance is pure, it will have a sharp boiling point which can be compared with boiling points of known substances recorded in literature hence the substance can be correctly identified.

The given unknown material or compound is a pure compound - yes, it has only one spot.

In the given TLC plate there is only one single spot found thus we can say it is the pure compound as If an impurity is present along with the major compound then there we could observe more spots other than the major compound.

The verification of the purity of the sample can be tested by a general procedure

Thus, The given unknown material or compound is a pure compound - yes, it has only one spot.

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Answer:

a thing or things belonging to someone; possessions collectively.

Explanation:

Answer: The Articles of Confederation were against having a strong central government.

Explanation:

Answer:

288N

Explanation:

Given parameters:

Mass of Cheetah = 12kg

Acceleration  = 24m/s²

Unknown:

Force needed by the cheetah to run  = ?

Solution:

The force needed by the Cheetah to run is the net force.

According to Newton's law;

    Force  = mass x acceleration

Insert the given parameters and solve;

   Force  = 12 x 24  = 288N

• The only force acting on the ball, and thus the net force, is due to its own weight, with magnitude

w = m g = (0.4 kg) (9.8 m/s²) ≈ 3.9 N

pointing downward.

• The ball is in free fall, so its acceleration is g = 9.8 m/s² (also pointing downward).

• The ball is dropped from a height of 49 m, so its height y at time t is

y = 49 m - 1/2 g t ²

Set y = 0 and solve for t :

0 = 49 m - 1/2 g t ²

t ² = (98 m) / g

t = √((98 m) / g) = √(10) s ≈ 3.2 s

• The ball's velocity v at time t is

v = - g t

so that at the time found previously, the ball will have attained a velocity of

v = - g (3.2 s) ≈ -31 m/s

and thus a speed of about 31 m/s.

Answer:

C  For a 100% fact!!!!   :)

Answer:

I did C on edge and got this correct sooo

Explanation:

Answer:

v = 4.79 10³ m / s

Explanation:

For this exercise we will use the universal law of gravitation and Newton's second law

          F = G M m / r²

where G is the gravitational constant, m the mass of the satellite, M the mass of the Earth, r the distance from the center of the planet to the satellite

           F = m a

since the satellite has a circular path, the acceleration is centripetal

          a = v² / r

we substitute

          G M m / r² = m v² / r

           G M / r = v²

We calculate

          v² = 6.67 10⁻¹¹ 5.98 10²⁴ / 6.96 10⁶

          v = √ (22.94 10⁶)

          v = 4.79 10³ m / s

Answer:

7570 m/s

Explanation:

take the square root of: 6.67E-11× 5.98E24/6.96E6

Answer:

wow easy

Explanation:

Answer: ionic bond

Explanation: This type of chemical bond is called an ionic bond because the bond formed between two ions of opposite charge.

Explanation:

Liquids also exert pressure in all directions on the walls of the container they are stored in. We see water coming out from leaking pipes and taps. ... Gases (Air) also exert pressure in all directions

Answer:

Explanation:

Let the magnitude of magnetic field be B .

flux passing through the coil's  = area of coil x field x no of turns

Φ = 3.13 x 10⁻⁴ x B x 135 = 422.55 x 10⁻⁴ B .

emf induced = dΦ / dt , Φ is magnetic flux.

current i = dΦ /dt x 1/R

charge through the coil = ∫ i dt

= ∫   dΦ /dt x 1/R dt

= 1 / R ∫ dΦ

= Φ / R

Total resistance R = 61.1 + 44.4 = 105.5 ohm .

3.44 x 10⁻⁵ = 422.55 x 10⁻⁴ B / 105.5

B = 3.44 x 10⁻⁵ x 105.5  / 422.55 x 10⁻⁴

= .86 x 10⁻¹

= .086 T .

Answer:

inertia

Explanation:

The property of matter that will keep the body in motion when the car comes to a halt is the inertia force.

Inertia is the ability of a body to remain in static position. It is the tendency to remain in a stable condition where there is no motion.

Answer:

inertia

first

Explanation

Answer:

8V

Explanation:

Given parameters:

Current = 0.2A

Resistance  = 40ohms

Unknown:

Potential difference = ?

Solution:

Potential difference is force that drives current in an electric circuit.

According to Ohms law, it is given as;

   V = IR

V is the potential difference

I is the current

R is the resistance

 Now, insert the parameters and solve;

    V = 0.2 x 40  = 8V

Here we have been given with the amount of current which flows through the component that is 0.2A and resistance that is of 40Ω. So we would be using Ohm's law to calculate the potential difference (V).

★ Ohm's Law :

Here,

★ We have :

★ Substituting the values :

>> V = 0.2(40)

>> V = (2 / 10) × 40

>> V = 2 × 4

>> V = 8

★ Therefore,

Answer:

Explanation:

It is C. Environmental campaigns

Answer: environmental campaigns  

Explanation:

got it right on the test

Answer:

The average speed would be 279.167 meters per second.

Explanation:

Speed ​​is the magnitude that expresses the variation in position of an object and as a function of time. In other words, speed is defined as the relationship established between the distance traveled and the time elapsed in the movement of a mobile.

Speed can be calculated using the following expression:

[tex]Speed=\frac{distance}{time}[/tex]

In this case:

Since the required unit of speed is meter per second, then you convert from km to meters for the case of distance, and from hours to seconds for the case of time. So:

Replacing in the definition of speed:

[tex]Speed=\frac{7,035,000 meters}{25,200 seconds}[/tex]

Solving:

[tex]Speed=279.167\frac{meters}{ seconds}[/tex]

Then, the average speed would be 279.167 meters per second.

Answer:

Explanation:

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 = 6.5 × 12.3

We have the final answer as

Hope this helps you

Answer:

G. 10N left

Explanation:

Because more newtons are being pulled to the right and there is 10 more then the left side so the extra 10N are going to be pulled to the right

Answer:

Here we will assume two things.

His acceleration is constant until he reaches his maximum velocity and then he stops accelerating.

When he leaves the blocks, his velocity is "zero", meaning that the initial velocity is zero.

Then:

For the acceleration of the sprinter we will have a constant, A:

a(t) = A.

for the velocity we need to integrate over time, we will get

v(t) = A*t + v0

Where v0 is a constant of integration, and this is the initial velocity, as we already said, this will be zero, so the velocity equation is:

v(t) = A*t

We know that at t = 7.17 seconds, his velocity is 12.28m/s

then:

v(7.17s) = 12.28m/s = A*7.17s

               12.28m/s/7.17s = 1.71 m/s^2 = A.

The acceleration is: 1.71 m/s^2  for 0 < t < 7.17s

                                  0 m/s^2  for  7.17s < t.

This is because that was his maximum velocity, then after that time he can not accelerate more.

Answer:

Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.

Explanation:

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Answer:- how difficult it is to change an object's motion

Explanation:

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