Initially sliding with a speed of 2.2m/s, a 1.8kg block collides with a spring and compresses it 0.31m before coming to rest. What is the force constant of the spring?

A highspeed train travel with an average speed of 227km/hr. The train travels for 2 hrs how far does the train travel

What is the "plate boundry type" of north american plate and the pacific plate near california

Why does an astronaut weigh less on the moon than on earth? a. the astronaut has less mass on the moon. b. the astronaut is farther from earthâs center when he or she is on the moon. c.

Consider two bicycle riders, A and B. The two riders have equal masses Mrider A = Mrider B and their respective bicycles also have similar frames, Mframe A = Mframe B.

How can biologic weathering result in chemical weathering? A. Bacteria release acids and other agents that break down rock B. Large herds temple rocks and break up soil C. Root loosen soil and break rock

What is not a factor that affects the viscosity of magma?

While driving his 600-kg ultra-compact electric car, a distracted driver starts crossing a drawbridge. Not realizing that the drawbridge is about to open, he ends up in the river below with his car.

A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz. What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 75 mph75 mph speed limit and a car travelling 9 mph9 mph faster?

Function of a battery

When an electric current runs through a wire, a magnetic field is induced ... O Around the wire O Parallel to the wire O Under the wire O Through the wire