A ball is dropped from rest. how fast is the ball going after 3 seconds

A man pulls a 100 n crate up a frictionless 30° slope 5 m high as shown. assuming that the crate moves at constant speed, the work (in m·n) done by the man is:

Two forces of 5N and 7N respectively act on an object. when will the resultant of two vectors be at a minimum?

What are the constant parameters in Charles' gas law?

According to a structural functionalist, which is a feature of mass society?

What is paleomagnetism how has it been used to understand plate tectonics?

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

How fast must a 1000 kg car be moving to have a kinetic energy of 1.0 kWh

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?

What conditions are required for nuclear fusion that prevent it from being used to generate electric energy?