A 8 kg catbis running 4/s. how much kinetic energy does it have?

How was Einstein's theory that energy and mass are interchangeable eventually proven to be correct?

The wind pushes a paper cub along the sand at a beach. The cup has a mass of 25 grams ( = ? Kg's) and accelerates at a rate of 5 m/s/s. How much force (in Newtons) is the wind exerting on the cup

If the frequencies of two component waves are 24 Hz an 20 Hz, they should produce beats per second

Sone one explain equilibrium to me what is it

What is the kinetic energy of a 1200kg object that is moving with a speed of 24 m/s

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?