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Question: A light stick with two masses attached to it is spinning about its center at 5 revolutions per minute. The length of the stick is 2.5 meters and the masses are 1.5 kg each. What are the angular momentum and rotational kinetic energy of this system ??
The wheels, axle, and handles of a wheelbarrow weigh W = 66 N. The load chamber and its contents weigh WL = 621 N. Find the magnitude of the man's force for both designs
Two capacitors are connected to a battery. The battery voltage is V = 70 V, Determine the total energy stored by the two capacitors
Matt is sailboarding northeast across the river with a velocity of 10 m/s relative to the water. what is the resultant or true velocity of the sailboard
A long rope is suspended from the ceiling. Waves are started from the bottom traveling up the rope. It is observed that their speed changes as they move up the rope. Do they get faster or slower? Explain why this occurs.
Earth has an equatorial radius of approximately 6380 km, and it rotates 360 degrees every 24h. What is the angular displacement of a person standing at the equator for 3.0h
A sprinterexplodes out of the starting block with an acceleration of+2.14 m/s2 , which she sustains for 1.26 s.Then her acceleration drops to zero for the rest of the race. Whatis her velocity at t = 1.26 s and at the end of the race?
A cylinder which is in a horizontal position contains an unknown noble gas at 5.26 Ã- 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system
A satellite has a mass of 6264 kg and is in a circular orbit 4.32 × 105 m above the surface of a planet. estimate the true weight of the satellite
Your car's 28.5 W headlight and 2.50 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume
You are standing on a brigde that is 50.0 m above a dried up riverbed. what is the minimum spring constant that the bungee cord must have for you not to hit the riverbed
Two stars are 8 light years from earth. The 550nm light from the 2 stars are barely distinguished in the diffraction pattern of 90 cm wide single slit
For a procedure, the enthalpy change and the entropy change of the system is 173000 J and its entropy change is 210 J/K. compute the free energy change of the system at 298 K.
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