3. Austin Luce has found an unusual way to measure the height of the school building. He throws a baseball from the top of the building with a horizontal velocity of 8 m/sec. The ball
lands 45 m from the base of the building. Calculate the height of the school building.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

What are the necessary conditions for fusion?

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?