use the equation KE = 1/2mxv^2 to calculate the kinetic energy of a 100 kg cart moving at a speed of 7 m/s

A roller coaster is entering a vertical loop which has a radius of 25.0 m. If the coaster is traveling at 45.0 m/s as it enters the loop, how much is the centripetal force that you experience? (Assume your mass to be 75.

What are dot diagrams in Physical Science?

What measures haven't worked?

Acids are described as corrosive because they

About how fast are Earth's tectonic plates moving, on average? A. 0.2-0.5 cm/yr B. 2-10 cm/yr C. 50-100 cm/yr D. 10-20 m/yr

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?