Graphical Addition: If three vectors add to zero, they must all have equal magnitudes.
A. True
B. False
Answer: B
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Indicate whether the statement is true or false
On planet X, the absolute pressure at a depth of 2.00 m below the surface of a liquid nitrogen lake is 5.00 × 105 N/m2
At a depth 5.00 m below the surface, the absolute pressure is 8.00 × 105 N/m2. The density of liquid nitrogen is 808 kg/m3. (a) What is the atmospheric pressure on planet X? (b) What is the acceleration due to gravity on planet X?
Like most pulsars, the Crab Nebula neutron star is known only by its radio pulses
Indicate whether the statement is true or false
A person with a mass of 60 kg climbs up to a diving board 4 meters above a swimming pool. (a) How much work does the person do? (b) What is the diver's kinetic energy upon entering the water after diving off?