If the speed of an object is tripled, its kinetic energy will be

Which of these best describe the chemical composition of asteroids? select all that apply. a. ice b. silicate c. hydrogen d. carbon-based

What deep ocean feature forms at subduction zones

A stuntman jumps from the roof of a building to the safety net below. How far has the stuntman fallen after 2.3 seconds? A. 25.9 m B. 21.2 m C. 9.8 m D. 11.3 m

3. X-ray Generation [6 pts] When a high energy beam of electrons is incident on a target material, in addition to the generation of a lot of heat, several physical processes occur: the generation of X-rays and Auger electrons.

What is the magnitude of g at a height above Earth's surface where free - fall acceleration equals 6.5 m/s2?

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

What is a result of using a machine?

A boy rides motorbike with velocity of 20 m/s He accelerates his motorbike to a velocity of 30 m/s for 5 second. Calculate the acceleration produced in the motorbike. [Ams 2ms

How is a star's emission spectrum used to study stars?

A 52.0 kg skateboarder does a trick on a half-pipe. During the trick, he reaches a speed of 8.90 m/s. The radius of the half-pipe ramp is 3.00 meters. What is the minimum centripetal force necessary to keep the skater on the ramp?