Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

In the Netherlands, there is an annual ice-skating race called the "Tour of the Eleven Towns." The total distar. rce of the course is 2.00 x 102 krn, and the record time for covering it is 5 h, 40 min, 37 s. a.

What is the speed of sound, when travelling through steel?

What objects are often arranged by their properties

Julia pushes her sled up a hill. In which direction is the force of friction acting?

How can we produce more power than an excavator?

The conversion of thermal energy into mechanical energy requires a a. thermometer. b. heat engine. c. vaporizer. d. thermostat.

1. Suppose you give a shopping cart a push and it begins t give a shopping cart a push and it begins to roll across the parking lot.

A 0.40-kg cart with charge 4.0 x 10-5 C starts at rest on a horizontal frictionless surface 0.50 m from a fixed object with charge 2.0 x 10-4 C. When the cart is released, it moves away from the fixed object.

Explain why, if you go to the moon, your weight would change but your mass wouldnt

How much energy do individual photons of 450 nm light have?