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A 4.23 kg sphere makes a perfectly in-elastic collision with a second sphere that is initially at rest. The composite system moves with a speed equal to one-third the origional speed of the 4.23 kg sphere. What is the mass of the second sphere?
The top of a refrigerator has an area of 0.6m2. The height of the refrigerator is 180 cm. What volume does refrigerator occupy in cubic meters.
A glass flask whose volume is 1000cm3 at a temperature of 0.500?C is completely filled with mercury at the same temperature. compute the coefficient of volume expansion of the glass
A -kg box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling, what average power is delivered by the person pulling on the rope
A large circus ride has a centripetal acceleration at 6.0 m/s2. If the circular ride has a radius of 11.0 m, what is its velocity at the edge
A ball of mass 1.7 kg hangs at the end of a string 1.2 m in length from the ceiling of a room. The height of the room is 4.0 m. What is the gravitational potential energy of the ball relative to the ceiling
A highway curve with a radius of 550 m is banked properly for a car travelling 130 km/h. If a 1660- kg Porshe 928S rounds the curve at 250 km/h, how much sideways force should the tires exert against the road if the car does not skid.
A hypodermic syringe is attached to a needle that has an internal radius of 0.303 mm and a length of 3.02 cm. What must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
An 8-kg ball hanging from the ceiling by a light wire 135cm long is struck in an elastic collision by a 2 kg ball moving horizontally at 5.00 m/s just before the collision. Find the tension in the wire just after collision.
An object of mass b has a speed that changes with distance d according to v = bx^-n. What is the force as a function of time
Suppose the distance between two objects was doubled and the mass of one of the objects was suddenly cut in a third. How would the gravitational force change
A string fixed at both ends is vibrating in its 8th harmonic. How many nodes are on the string
Assume that you need to get a heavy couch into the bed of a pickup truck. You know the bed of the truck is at the height of 1.00 and you require a ramp that makes an angle of 40 with the ground if you are to be able to push the couch.
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