A 5 kg mass going 12 m/s has how many Joules of Kinetic Energy?

A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there. A) How much work is being done to hold the beam in place? B) How much work was done to lift the beam?

If the speed of a ball increased from 1m/s to 4m/s, by how much would the kinetic energy increase

How much voltage is required to run 0.054 A of current through a 15 2 resistor? Use AV = IR. O A. 0.81 V O B. 1.2 V O c. 2.8x10²v O D. 3.6 x 10-3 v

What force is needed to accelerate a 2000kg car to 15m/S2

What kinetic energy has 1 tone car traveling at 15 m/s

Approximately how many kelvins are equal to 60 c? a. 289k b. 323k c. 333k d. 413k

What are two ways to change velocity?

What is the main optical element of a refracting telescope?

Two water manometers are connected to a tank of air. One leg of the manometer is open to 100kPa pressure (absolute) while the other leg is subjected to 90kPa. Find the difference in deflection between both manometers, Delta h_a - Delta h_b.

Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. A.