Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20. o m/s what if the speed was moving twice the speed

Why do electrons move from the negative end of the tube to the positive end

A steel ball is dropped from a diving platform from rest. Given that g = 9.8 m/s?, (a) What is the velocity of the ball 0.6 seconds after its release? (b) What is the velocity of the ball 1.

Use the following terms in the same sentence: proton, neutron, and isotope

How does chronic stress physically change the brain?

How much force does it take to stop a 1,000 kg car traveling at 20 m/s in 10 seconds?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.