A weightlifter raises a 200-kg barbell with an acceleration of 3 m/s^2. How much force does the weightlifter use to raise the barbell?

Which of the following is the condition that exists when the frequency of the force applied to a system matches the natural frequency of the vibration of the system

A circuit has a known resistance of 5 Ohms. An ammeter in the circuit gives a reading of 5 Amps. What is the Voltage of the circuit?

A rock is sliding down a hill. Assume that the hill is 20 meters high and the rock has a mass of 1,000 kilograms.

A plane has a takeoff speed of 88.3m/s and requires 1365m to reach that speed. determine the acceleration of the plane and the time required to reach this speed.

Steps are important in process of creating a scientific theory

What forces are acting on matter through contact or no contact

Consider the following when writing your report: a) Start by making a rough plan for how you will solve the problem. In particular, divide the big problem into two or more smaller problems that each involves one basic physics idea.

Two children are bouncing small rubber balls. One child simply drops a ball. At the same time, the second child throws a ball downward so that it has an initial speed of 10 m/s. What is the acceleration of each ball while in motion?

If a girl makes a homemade sling shot that requires a force of 14 N to pull it's pebble (.08kg) into place at 0.1 m from the resting position of the sling shot, the maximum velocity of the pebble will be

A weightlifter raises a 200-kg barbell with an acceleration of 3 m/s^2. How much force does the weightlifter use to raise the barbell?