If a car increases its speed from 20 mph to 60 mph, by what factor does the kinetic energy of the car increase

The total circuit resistance is 6½ ohms. If a second 6½-ohm resistor is placed in parallel with the first, the total circuit resistance A. Increases B. Remains constant C. Decreases

Metallic bonds are important to how paperclips are both made and used. Which statement best describes how metallic bond properties are important for making and using paperclips?

an engine moves a boat through the water at a constant speed of 15 m/s. Then engine must develop a thrust of 6.0 kN to balance the force of drag from the water acting on the hull. Determine the power output of the engine.

8) One form of transportation that uses nuclear power for energy is the A) airplane. B) automobile. C) motorcycle. D) submarine.

If the force applied to an object increases while the mass stays the same, the acceleration of the object.

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.