Kinetic energy and potential energy of the sprinkler How does the kinetic energy and potential energy change The second friend thinks that the potential energy decrease is still the same

Kinetic energy and potential energy of the sprinkler How does the kinetic energy and potential energy change The second friend thinks that the potential energy decrease is still the same

The kinetic energy becomes smaller (because of uniform velocity and smaller mass) and the potential energy becomes smaller (although the water level of the gravity center drops and moves down, then moves up due to water sprinkling)

The sprinkler is 4 meters wide on the surface of the water, traveling 30 kilometers per hour. How many hectares of water are sprinkled per hour?

30 km = 30000 m
30000 × 1 × 4 = 120000 (M2)
=12 (HA)
A: 12 hectares per hour

The difference between sprinkler, water truck and water truck

Water truck and water truck are synonymous, but their names are different
Sprinkler is a water transport vehicle with sprinkler function