The net force acting on the car is equal to -12000 Newton.
<u>Given the following data:</u>
- Initial velocity = 30 m/s.
- Final velocity = 0 m/s (since the car came to a stop).
To determine the net force acting on the car:
<h3>How to calculate the net force.</h3>
Mathematically, the net force acting on the car is given by Newton's Second Law of Motion:

<u>Where:</u>
- u is the initial velocity.
Substituting the given parameters into the formula, we have;

Net force = -12000 Newton.
Read more on net force here: brainly.com/question/1121817
Answer:
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I can't understand
Answer:
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When an object's atoms move faster, its thermal energy increases and the object becomes warmer.
Incomplete question as the mass of baseball is missing.I have assume 0.2kg mass of baseball.So complete question is:
A baseball has mass 0.2 kg.If the velocity of a pitched ball has a magnitude of 44.5 m/sm/s and the batted ball's velocity is 55.5 m/sm/s in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.
Answer:
ΔP=20 kg.m/s
Explanation:
Given data
Mass m=0.2 kg
Initial speed Vi=-44.5m/s
Final speed Vf=55.5 m/s
Required
Change in momentum ΔP
Solution
First we take the batted balls velocity as the final velocity and its direction is the positive direction and we take the pitched balls velocity as the initial velocity and so its direction will be negative direction.So we have:

Now we need to find the initial momentum
So

Substitute the given values

Now for final momentum

So the change in momentum is given as:
ΔP=P₂-P₁
![=[(11.1kg.m/s)-(-8.9kg.m/s)]\\=20kg.m/s](https://tex.z-dn.net/?f=%3D%5B%2811.1kg.m%2Fs%29-%28-8.9kg.m%2Fs%29%5D%5C%5C%3D20kg.m%2Fs)
ΔP=20 kg.m/s