A object with a mass of 70 kilograms is supported at a height 8 meters above the ground. what's the potential energy of the object with respect to the ground

Which change increases the electric force between objects?

When you turn up the volume on a radio, which of the following change: velocity of sound, intensity, pitch, amplitude, frequency, wavelength, or loudness?

What type of conversion is taking place when natural gas is used to heat water?

A car traveling at a speed of 25 m/s increases its speed to 30.0 m/s in 10.0 seconds. What is the magnitude of its acceleration?

The engineer determines that the machine increased at a constant rate the disk's angular speed from 100 rad/s to 300 rad/s over a time of 5 seconds. What was the angular displacement of the disk during those 5 seconds?

Which organization functions to privide clinics and surgeries i developing nations

What role do convection currents play in oceans and the atmosphere?

What causes density currents to form in the mediterranean sea? a. condensation b. evaporation c. transpiration d. upwelling

How long does it take a car to travel 450 km at 75 km/hr

A free-falling golf ball strikes the ground and exerts a force on it