How far away is a train if you see the steam from it's nozzle 5sec before you hear it's sound (take the speed of sound is 331m/s)

1. How many digits does the frog have on each of its forelegs and how many on each of its hind legs?

Is chalk a compound or a element

An apple weighs at 1N. the net force on the apple when it is in free fall is? a. 0N b. 0.1N c. 1N d. 10N e. none of the abov

A coin of mass 0.05 kg is placed at a radius r = 0.1m meter on a horizontal turntable which is turning uniformly at a rate of one revolution every 1.5 s. The coin does not slip. The net force on the coin is?

The periodic daily rise and fall of ocean water a. gravity b. high tide c. low tide d. the moon e. neap tide f. spring tide g. the sun h. tidal bore i. tidal range j. tides

Which compound is composed of oppositely charged ions

Sara, who weighs 66 kg, is on a guilt trip after eating a 788-Calorie (788 kcal) breakfast of pancakes loaded with fruits, cream, and syrup. She decides to work out before going to her weekly weight-watchers' meeting.

Can you get sunburned through glass?

Which statement about a signal transduction pathway is true? a. A signal transduction pathway provides a means for a signal molecule to pass through the cell membrane and initiate a chain of events inside the cell. b.

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be A. greater than the force of friction exerted upon the car. B. less than the force of friction exerted upon the car. C.