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A Metal Block of Mass M = 5.00 kilogram is hanging vertically from a string of length L=1.22 meter. A rubber bullet of mass m = 8.00 gram is shot horizontally at it, resulting in an elastic collision. After the collision, the metal block is deflected by a maximum angle of 28.0 degree.
a) Evaluate the initial velocity of the bullet
b) Evaluate the final velocity of the bullet.
A roller coaster vehicle with a mass of 750 kilogram starts at rest from a point 32 meter above the ground. At point B, it is 16 meter above the ground. Find the initial potential energy of the vehicle
A beam of particles is directed at a 0.0178 kg tumor. There are 1.56×1010 particles per second reaching the tumor, Calculate the biologically equivalent dose (in rem) given to the tumor in 26.8 s.
A 0.35 kilogram pinecone falls 14.7 meter to the ground, where it lands with a speed of 11 m/s. Find with what speed would the pinecone have landed
Two identical steel balls, each of mass 4.9 kg, are suspended from strings of length 23 cm so that they touch when in their equilibrium position. How high will the other ball rise
As they go around, they experience a centripetal acceleration of 2.20 . What is the diameter of this particular Ferris wheel
Richard is driving home to visit his parents. 135{\rm mi} of the trip are on the interstate highway where the speed limit is 65{\rm mph}. How many minutes does he save
how many joules of potential energy does 1.5-kg book gain when it is elevated 2 m? when it is elevated 4 mlet g 10
A certain centrifuge produces a centripetal acceleration of magnitude exactly 1230g at a point 11.9 cm from the axis of rotation. Find the number of revolutions per second
A 4.94-g bullet is shot through a 0.99-kg wood blocksuspended on a string 2.00 m long. The center of mass of the blockrises a distance of 0.50 cm. Find the speed of the bullet as ite merges from the block if its initial speed is 393 m/s.
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
A 0.43 kg particle moves in an xy plane according to x(t) = - 13 + 4 t - 3 t3 and y(t) = 26 + 9 t - 7 t2, with x and y in meters and t in seconds. what is the angle of the particle's direction of travel
A street lamp weighs 180 N. It is supported by two wires that form an angle of 150° with each other. The tensions in the wires are equal.
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