Explanation:
When a car is breaking, the brakes apply pressure/force onto the wheels(car) which allows it to slow down.
When the car collides with an object, it is exerting a force upon that object to which it applies an equal and opposite force on the car.
I think this is what you are asking for.
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The tension in the swing's chain at the bottom of the swing is 178.35 N.
The given parameters:
- Mass of the girl, m = 27 kg
- Speed of the girl, v = 3 m/s
- Radius of the circle, r = 4 m
The tension in the swing's chain at the bottom of the swing is calculated as follows;

Thus, the tension in the swing's chain at the bottom of the swing is 178.35 N.
Learn more about tension in vertical circle here: brainly.com/question/19904705
Answer with Explanation:
We are given that




a.We have to find the expression for the minimum thickness the film can have ,t.
Condition for destructive interference


For minimum thickness m=0
Then, 
b.Substitute the values

Answer:
In explosives,potential energy is in the stored form of chemical energy.
Classic mechanics and atomic physics