It is said that using a lever trades a large force over a small force for a small force over a longer distance. Explain how this makes lifting things easier

What is faster? The speed of light or the absence of light?

What is energy? O A. A form of sound O B. The ability to do work O c. The number of atoms in an object O D. The size of an object

A child uses a force of 45 N to pull a sled with a rope. The angle between the rope and the ground is 35 degrees. What is the horizontal component of the tension? A. 25.8 N B. 36.9 N C. 54.9 N D. 78.5 N

maria was riding her bike at a velocity of 3 m/s to the north. Her velocity changed to 11 m/s to the north. What was her change in velocity

Discuss the significant similarities and differences between AC and DC? What determines which is better for a particular application? You should do this in at least five sentences to receive credit for this question.

Photons travel outward from a light bulb in

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Aligned magnetic domains are only present in which of the following? A) permanent magnets B) temporary magnets C) all magnetic material D) depends on the situation

How are magnetic poles and electrical charges similar