a ball is thrown horizontally from the roof of a building 45.0 m tall and lands 24.0 m from the base. What was the ball's initial speed?

On may 26, 1934, a streamlined, stainless steel diesel train called the zephyr set the world's nonstop long-distance speed record for trains.

A beam of red light is incident on a glass plate. Will the beam transmitted through the glass plate emerge parallel to the incident beam? O Yes O No

A parachutist jumps from a plane. He accidentally drops his cell phone at an altitude of 100 m when he has a velocity of 12 m/s down. What is the velocity of the phone when it hits the ground? Assume there is no air resistance acting on the phone.

A person holding a 30 kg box 1 m above the floor puts it down. How much work was done? Remember, the force of an objects weight = mass times gravity A. 0.0j B. 30j C. 147 j D. 294 j

How long would it take to drive to alpha centauri (4.4 light-years away) ?

A closed loop conductor that forms a circle with a radius of is located in a uniform but changing magnetic field.

24 Fig. 24.1 shows a liquid dropper used to draw a liquid from a bottle of medicine. The squeeze bulb of the dropper is squeezed and then released so that liquid from the bottle is sucked up into the tube of the dropper.

How does an economic incentive effect the environment

Based on which law does the Dynamo work?

Arches National Park, Utah Constructive or Desructive force