It took 1700 J of work to stretch a spring from its natural length of 2 m to a length of 6 m. Find the spring constant k.

Why do sunspots look dark?

1. How does gravity change your weight? 2. How do force work in nature?

What is the unit for mass?

An object that travels around another object in space is called?

A one-family dwelling contains an electric range rated at 25 kw. what is the neutral load demand for this range

Jack rolled a marble down a ramp and recorded the potential energy and kinetic energy of the marble at different positions on the ramp, as shown in the table.

A soccer player slides across a wet soccer field. Based on Newton's first law, why does the soccer player eventually come to a stop?

Where is the oldest operating lighthouse on the west coast on an island in america?

What is most remarkable about the paintings of Pieter Breugel the Elder? A. Innovative brush strokes B. Medium used C. Daring compositional features D. Subject matter

An opera singer in a convertible sings a note at 700 hz while cruising down the highway at 83 km/h. the speed of sound in the air is 343 m/s. part a what is the frequency heard by a person standing beside the road in front of the car?