A train goes 120 miles in 2 hours. How far will the train travel over the course of 3 hours?

A person walks 25 meters in 10 seconds. How fast is the person walking?

Which is an example of potential energy? a. a swimmer kicking their legs b. a car driving on the road c. an arrow flying at a target d. a yo-yo in someone's hand

An electroscope is a device that detects charge on objects that touch it or are brought near it. John rubs a piece of cotton fabric on a plastic rod and then touches the rod to the electroscope. What methods of charging does John use?

Which verbal is an infinitive? traveled traveling to travel travel

Eight identical spherical raindrops are charged such that each is at a potential V, relative to the potential infinitely far away.

Which question can be answered by science? A. How much pesticide is safe to use on plants? B. How should you feel about using plastic bags? C. Should scientists be allowed to do genetic research? D. Why do paper bags look better than plastic bags?

a paratrooper jumps out of a plane and opens her parachute shortly afterward. 10 seconds later the upward force on the parachute is 600N. The paratrooper and parachute weigh a total of 800N. What is the acceleration at this time?

When scientific work can be duplicated it is proves a hypothesis correct is reliable Does not require evaluation

A truck is traveling 70.0 kph away from you. The driver is blowing the horn, which has a frequency of 400 Hz. The air temperature is 25ÁC. What is the observed frequency of the horn?

1. The sun and other stars produce visible light by a. fluorescence. b. luminescence. c. incandescence. d. electroluminescence.

How did Einstein's and Newton's theories differ in terms of explaining the cause of gravity?