In thrill machine rides at amusement parks, there can be an acceleration of 3g or more. But without head rests, acceleration like this would not be safe. Think why?

Spasticeesha throws a ball into the air. After the ball leaves her hand it accelerates in the upward direction until it reaches its maximum height, then accelerates in the downward direction as it falls back down.

Se no primeiro dia a lua está cheia 5 dias depois ela estará como? if on the first day the moon is full 5 days later she will be like?

What are the cons of using a cup made of plastic?

If a 10kg block is at rest on a table and a 1200N force is applied in the eastward direction for 10 seconds, what is the acceleration on the block?

What can happen to the atomic particles when u rub two objects together

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?