An object is lifted at constant speed a distance h above the surface of the Earth in a time t. The total potential energy gain of the object is equal to? a. the average force
applied
b. the object’s total
weight
c. the total work
done on the object
d. the object’s
acceleration

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity