An object has a mass of 20 g and a volume of 5 cm3. what is the object's density? 4 g/cm3 100 g/cm3 0.25 g/cm3

Why does lightning follow a jagged path

Winnie the Pooh pushes a jug of with a force of 60 Newtons 3.5 meters. How much work did he do?

Why would a baseball team hire a physicist?

A 95-kilogram student climbs 4.0 meters up a rope in 3.0 seconds. what is the power output of the student

A real flowing fluid A. does not experience turbulence B. has a constant density C. has a constant velocity at a given location in the flow D. exhibits viscosity

A student throws a 5.0-newton ball straight up. What is the net force on the ball at its maximum height? (1) 0.0 N (3) 5.0 N, down (2) 5.0 N, up (4) 9.8 N, down

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?

Consider two metallic rods mounted on insulated supports. One is neutral, another positively charged. The charged rod is brought close to the neutral one (no touching!

Which term identifies the dark smooth areas on the surface of the moon? craters terrae maria regolith

1. work is a transfer of 2. a small 20-killogram canoe is floating downriver at a speed of 2 m/s. what is the caanoes kinetic energy?