Author Question: An astronaut in a space capsule is experiencing weightlessness. Does the astronaut have to exert any ... (Read 197 times)

Bernana · **on:** Jul 29, 2018

An astronaut in a space capsule is experiencing weightlessness. Does the astronaut have to exert any effort to throw a bowling ball, since the bowling ball is also weightless?

What will be an ideal response?

Question 2

A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s2. The child is standing 4.65 m from the center of the merry-go-round.

What angle does the acceleration of the child make with the tangential direction? A) 90.0
B) 25.5
C) 32.5
D) 64.5
E) 45.0

meltdown117 · **Reply #1 on:** Jul 29, 2018

Answer to Question 1

Yes. The ball will undergo an acceleration, and the force required to give it this acceleration is equal to the mass of the ball times the acceleration.

Answer to Question 2

D