A high-diver of mass 70.0 kg jumps off a board 10.0 m above the water. If, two seconds after entering the water, his downward motion is stopped, what average upward force did the water exert on him?
1 180 N
You might also like to view...
The formula expresses the relationship between Kelvin temperature and the amount of radiated energy. If a star is three times the temperature of the Sun, how many times more intense is the energy radiated from an equal-sized area of its surface? (Answer with a number only
What will be an ideal response?
At which stage in a Sun-like star's life is its core the least dense?
A) Main Sequence B) Subgiant Branch C) Helium Fusion D) Planetary Nebula E) White Dwarf
Results from the Phoenix lander and Curiosity rover suggest that the positive result from the Viking Labeled Release experiment was probably due to
A) the destruction of organic molecules by oxygen released when perchlorates in the soil decomposed on heating B) terrestrial contamination from the robotic arm which took the samples C) a malfunction in the experiment D) high levels of radioactivity in the soil
What is the momentum of a 600. nm photon?
A) 2.07 N-s B) 2.07 eV/c C) 2.07 KeV/c D) 2.07 MeV/c E) 2.07 kN-m