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A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. If the block with the embedded bullet moves off at 17 m/s, what was the original speed of the bullet?
What is the volume of the bubble when it reaches just below the surface of the lake, where temperature is 20°C.
A person walks 25.0° north of east for 2.70 km. How far would the person walk due north and due east to arrive at the similar location.
An 82 kg man drops from rest on the diving board 3 m above the surface of the water and comes to rest 0.55 s after reaching the water. What force does the water exert on him.
Two aluminum wires have the same resistance. If one has twice the length of the other, what is the ratio of the diameter of the longer wire to the diameter of the shorter wire
Establish steady-state electric field inside Nichrome wire
A 10 N force acts on 5 kg object for 2.0s. What is the impulse of the force on the object, What is the change in momentum of the object
A certain engine can exert 75,000 kg m/sec/sec of force. Assuming that all the force is used to accelerate the vehicle on which the engine is mounted, how fast would the vehicle accelerate assuming that it masses 5,000 kg? Neglect friction/air res..
find out kinetic energy of ball at the highest point of motion.
What volume of space contains an energy equal. A car in stop-and-go traffic starts at rest, moves forward 12m in 8 seconds, then comes to rest again. The velocity-versus-time plot for this car is given.
A force of 7 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length.
Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2430 kJ/kg at body temperature, what would be the maximum sustainable metabolic rate, in watts, if75% of the energy used by the body ..
An abstract sculpture is constructed by suspending a sphere of polished rock along the vertical with four cables connected to a square wooden frame 1.1 m on a side. If the stone has mass m = 7.5 kg, and the bottom two cables are under a tension of..
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