Lance is rubbing two sticks together. The friction causes the kinetic energy from rubbing the two sticks to be converted into

A. heat energy.

B. chemical energy.

C. potential energy.

D. electrical energy.

Mary Sue is making caramel ice cream. In the first part of the process, she combines a cup of sugar and a cup of water in a saucepan. She cooks the mixture over medium heat until the sugar melts and browns to a light amber color.

A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 29.6 m/s. At the same time, it has a horizontal velocity of 54.8 m/s. At what speed does the vehicle move along its descent path?

The biggest difference between a motor and a generator is that, in a motor, current passes a power source, through the brushes, then the commutator.

Oil having a density of 930 kg/m3 floats on water. Arectangular block of wood 4.00 cm high and with a density of 960kg/m3 floats partly in the oil and partly in the water. The oil completely covers the block.

Hail stones do a lot of damage when they fall to the Earth and hit homes and cars with great force. They hit with great force because they

What equation expresses the the work-energy theorem?

What is the potential energy for and object with mass of 15 Kg and 20 m above the ground?

What is the z coordinate for the above vector? A vector is r⇀ = 356 m @ θ = 115∘, φ=-30.0∘. 178 m -178 m 120 m 308 m

In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. once the room gets spinning fast enough, the floor drops from the bottom of the room!

What does Newton's law of universal gravitation say about the distance between objects?