Question

Please let me know if my answers are correct!

1. To cause a 98.0N object to experience an acceleration of 2.0 m/s² the net force that needs to be applied to the object is ____. (I put 10.0N)

A. 10.0N

B. 20.0N

C. 49.0N

D. 196.0N

2. An airplane is in level flight at a velocity of 150 m/s and an altitude of 1500 m when a wheel falls off. The wheel will travel a horizontal distance of _______ m before it strikes the ground. Use a_g = 9.8 m/s². (I put 15,000m)

3. If I drop a lead ball from the roof of a building (making sure no one is below!), it will travel _____ meters in 4.3seconds. Use a=9.8m/s² (I pot 91 m)

4. If I toss a ball straight up with an initial velocity of 96ft/s, how long will it take for the ball to reach its maximum height? (I put 3 seconds)

Answer 1

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