Which of the following systems has constant kinetic and potential energies? A car moving along a level road at constant speed

A car moving up a hill at constant speed

A car moving down a hill at constant speed

All of the above

Ixchelt Burns her tongue when she takes a sip of hot coffee from her mug which part of this example represents heat The thermal energy moving from the coffee to her tongue The thermal energy moving from her tongue to the coffee Her coffee Her tongue

Whats it called when a force can change the shape of an object?

which words are readable red word on white paper in red light or blue words on white paper in blue light

A tank is 6 m long, 4 m wide, 5 m high, and contains kerosene with density 820 kg/m3 to a depth of 4.5 m. (Use 9.8 m/s2 for the acceleration due to gravity.) Find the hydrostatic pressure on the bottom of the tank.

How long must a 0.50-mm-diameter aluminum wire be to have a 0.58 a current when connected to the terminals of a 1.5 v flashlight battery? express your answer to two significant figures and include the appropriate units?

A ball player catches a ball 3.24 s after throwing it vertically upward. With what speed did he throw it?

Most metallic ores are produced by which two of processes? a) Metamorphic and Sedimentary b) Igneous and Metamorphic c) Igneous and Sedimentary d) Cementation and Compaction

Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?

SI unit of mass and gravity

What is the difference between porosity and permeability