An old truck compresses a spring scale at the junkyard by 25 cm. The spring constant for the industrial scale at the junkyard is 39,200 N/m.

N=?

Does the size of a paper airplane affect how far it flies

Two football players each applied 100 n of force to sack the qb and move him 3 meters downfield. How much work was done?

A narrow beam of light containing orange (610 nm) and blue (470 nm) wavelengths goes from polystyrene to air, striking the surface at a 28.5° incident angle. What is the angle (in degrees) between the colors when they emerge?

What are the three defining features of a planet?

If an atom of nitrogen binds with three hydrogen atoms to form a molecule of ammonia, how many lone pairs of electrons does nitrogen have?

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.