Compare the kinetic energies of a ball moving at 5 m/s to when it is moving
at 10 m/s.
O A. The answer cannot be determined.
B. KE at 10 m/s > KE at 5 m/s
C. KE at 10 m/s < KE at 5 m/s
D. KE at 10 m/s = KE at 5 m/s

Jason and alejandro lift a chair 2 meters into the moving truck using 150 newtons of force. it takes them 3 seconds to lift the chair how much power did they use

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?