To determine power, it is necessary to know the A. energy required and the time it takes. B. amount of work and the distance covered. C. amount of work in a given time. D. distance and time it takes to do work.

A particle moves along a straight path through a displacement d = 2.5i + cj while a force F = 8.5i + - 8.5j acts on it. The displacement is measured in meters and the force is measured in Newtons. (Other forces also act on the particle.

A car travels at a constant velocity of 20.0 meters/second for 15 seconds. What is the power of the car if the initial force applied to it was 95 newtons?

Bike computers tell the ride what altitude they are at and how the altitude is changing using a basic barometer

A worker standing on a freshly mopped floor is adjusting products on a metal shelf. There is an exposed wire in contact with the shelving. What is this an example of? Select the best option.

Fencing is often referred to as mental chess because it requires dexterity endurance and discipline

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?

Name one process that requires a force in the human body.

Which describes the electric forces inside an atom