What is the definition of work in Physics?

If a magnet is moved in and out of a coil of wire, electricity begins to flow through the coil?

Halley's comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being 0.586 A. U. and its greatest distance from the Sun being 35.5 A. U. (1 A. U. = the Earth-Sun distance).

Since all objects are 'weightless' for an astronaut in orbit, is it possible for astronauts to tell whether an object is heavy or light? Think about it, think of newton's laws, the equations and then explain your reasoning.

A wagon is pulled for a distance of 5 meters in 20 seconds with a work output of 75 j. what is correct unit label for power output?

Calculate the force exerted on a rocket when the propelling gases are being expelled at a rate of 1400 kg/s with a speed of 3.6*104 m/s.

How would you classify an EM wave with a frequency of 10 7 Hz

A charge of 50 µC is pushed by a force of 25 µN a distance of 15 m in an electric field. What is the electric potential difference?

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s^2. The acceleration period lasts for time 8.00 s until the fuel is exhausted. After that, the rocket is in free fall.

Why are tyres of formula one is different from four wheels drive?

The slope of a velocity versus time graph gives