Magnet a has twice the magnetic field strength of magnet b, and at a certain distance it pulls on magnet b with a force of 50n. with how much force, then, does magnet b pull on magnet a?

A 0.14-kg pinecone is 16m above the ground. What is it's gravitational potential energy

Jupiter is 5.2 times farther from the sun than Earth is. Find Jupiter's orbital period in Earth years

An ocean wave has an amplitude of 2.5 m. Weather conditions suddenly change such that the wave has an amplitude of 5.0 m. The amount of energy transported by the wave is

The quantity t1/2=τ ln 2 is called the half-life of an exponential decay, where τ=RC is the time constant in an RC circuit. The current in a discharging RC circuit drops by half whenever t increases by t1/2. For a circuit with "R=1.0 kΩ and C=4.

A car is traveling at 60km/h, heading east. This describes the car's?

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.

What are at least three types of energy involving a microwave

1. At one time, people thought that heat was a substance called

How are magnet'so magnetic force and magnetic field different