A100 kg object is pulled vertically upwards by a constant force of 4000 n for a distance of 20.0 m. what is the work done by the net force on the object?

Which property of fossils allow scientists to determine the relative rock ages..

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?