1.) A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds....

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Question

1.) A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds....

1.) A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What is the average speed? What is the acceleration? What is the average force acting upon it? If the car turns along a circle speed at 5 m/s around a curve 30 meters in radius, how big the centripetal is needed?

2.) For two objects with masses 100 kg and 500 kg to be 20 meters apart, find the gravity between them.

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Answer 1

Answer #1

a) Avsage SpeedToral clistane/ 2- 16 30 20mls 20 dt 0.833 % 91

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