ASAP What is the power of a machine that lifts a 12kg object 5m in 7s?
60 Watts
1.7 Watts
84 Watts
0 Watts

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Rohit is trying to tune an instrument