A3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting? a. 588 j b. 45.6 j c. 446.9 j d. 372.4 j

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

If a star is moving toward earth, it is