A wave is a disturbance that transfers energy through medium from one place to another. Do the particles in the medium travel with the wave?

Suppose a pulley with an IMA of 2 was used with an input force of 50 N to lift a box 45 cm that weighs 100 N. What distance was the rope pulled?

What does the sky look like by a black hole? astronomy

Match the term to its description. Match Term Definition Elliptical galaxy A) Forms a perfect sphere or an ellipse and is flattened to some degree Irregular galaxy B) Does not have a distinct regular shape Lens galaxy C) Has a large flattened core

For each of the following news stories, determine whether the objects speed or velocity is given: the world record for the hundred-meters dash is about 10m/s; the wind today is 30 km/h from the north-west;

In a magnetizted substance the domains

The power rating of a vacuum cleaner is 0.8 kilowatts. If you use the vacuum cleaner for 2.5 hours, how much energy does it use?

Which has more gravitational potential energy - - a cliff diver at the top of the cliff or a cliff diver at the bottom of the cliff?

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

How much power is reqired to lift a 10-n box 2 meters