Questions and answers by

Spooby

Questions (4)

Water flows over a section of Niagara Falls atthe rate of 1.3 × 106 kg/s and falls 49.8 m. How much power is generated by the
1. 4 answers
2. 3,088 views
A student weighing 673 N climbs at constantspeed to the top of an 11 m vertical rope in 14 s. What is the average power expended
1. 1 answer
2. 864 views
An outfielder throws a 2.12 kg baseball at aspeed of 114 m/s and an initial angle of 54.8 ◦ . What is the kinetic energy of
1. 1 answer
2. 496 views
Melvin pulls a sled across level snow with aforce of 345 N along a rope that is 31◦ above the horizontal. If the sled moved a
1. 2 answers
2. 2,107 views