What is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0 m/s? A. 5.0 J B. 6.5 J C. 10.0 J D. 12.5 J

A person is pushing against a couch with a force of 50 n. what is the force of the couch against the man if the couch does not move?

What is the positivity of electric circuits?

Why is the electromagnetic spectrum called a spectrum?

Walt ran 5 kilometers in 25 minutes, going eastward. What was his average velocity? A. 0.17 km/m east B. 0.2 km/m east C. 5 km/m east D. 25 km/m east (Hint: C is not correct)

Sandra is riding a bicycle at 10.0 meters/seconds. SHe slows down to 2.0 meters/seconds in 10 seconds. Her acceleration is. how many meeters / seconds?

What causes the electric charges to flow from one end of the battery to the other? a balance in electric potential a balance in resistance a difference in electric potential a difference in resistance

What is one exsample of a closed economy

A transfer by work from the system, an elevation decrease of 50 m, and an increase in velocity from 15 m/s to 30 m/s. The specific internal energy, u, decreases by 5 kJ/kg and the acceleration of gravity is constant at 9.7 m/s².

What is the best prediction for the weather on the day after high pressure system passes

Is it possible to have motion in the absence of a net force?