Which of the following types of light can be seen by the human eye?

A. radio waves

B. ultraviolet waves

C. gamma rays

D. visible light rays

Explain what happens when you vigorously rub your wool socks on a carpeted floor, touch a metal doorknob and get shocked

There are 1,000,000 grains of sand in a heap. If we remove one grain, it is still a heap. If we remove another grain, if it still a heap.

Does sound travel faster in a warm room or a cold room? Explain your answer.

Calculate the value of δe in joules for a system that loses 115 j of heat and has 150 j of work performed on it by the surroundings.

Recall the examples of transmission and absorption, then determine which ones are similar here. People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears.

In a summer storm the wind is blowing with a velocity of 8m/s north. Suddenly in 3 seconds, the winds velocity is 23m/s north. What is the winds acceleration?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)