If a ball is raised from 32 m to 128 m, then its potential energy is how many times larger?

Q1. What is the frequency of rotation of 1000 loop coil of area 20cm2 in a magnetic field of 5T to generate an emf that has a maximum value of 15.7V?

Some metal conductor has a resistance of 12ohm. When plugged into a circuit, the amount of heat 144J is released in 12s. What is the voltage at the ends of the conductors?

Describe how astronomers determine the composition of a star.

Why do some astronomers think pluto should not be called a planet?

What is A common source of stress?

Which of these is an example of a totalitarian regime A.) Canada under prime minister Trudeau's rule B.) the Soviet Union under Josef lo

Since 1 pound = 4.45 newton, what is your earth weight in newtons?

A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.

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.