How do folded mountains form

A wheel initially has an angular velocity of 18 rad/s, but it is slowing at a constant rate of 2 rad/s 2. By the time it stops, it will have turned through approximately how many revolutions? 1. 65 2. 39 3. 52 4. 26 5. 13

4. What force can stop a 1400 kg truck accelerating at 7.5 m/s/s?

How far does a plane fly in 15 s while its velocity is changing from 145 m/s to 75 m/s at a uniform rate of acceleration?

Which object will be considered to be in free fall

Jake, who weighs 680 newtons, climbs a 6-meter ladder in 8 seconds. What was Jake's power?

A dog searching for a bone walks 3.5 m south, then 8.2 m at an angle of 30.° north of east, and finally 15 m west. What was the dog's resultant displacement.

Which of the following does not describe a scientific theory?

A radiographer in a hospital is preparing a sample of technetium-99. Name two protective measures she should be to ensure she is safe from the radiation?

Carlota does 2000 J of work on a machine. The machine does 500 J of work. What is the efficiency of the machine?

Una locomotiva traina un solo vagone, che ha la sua stessa massa, con la forza di 4000 N. Alla locomotiva vengono aggiunti altri quattro vagoni identici al primo: quale forza deve sviluppare adesso la locomotiva affinché il convoglio mantenga la