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Mark falls out of a helicopter traveling 15m/s He plunges into a swimming pool 2 seconds later. If no air resistance what is the horizontal distance between mark and th swimming pool
A 150-g block of ice at 0°C is placed in an insulated thermos containing 568 g of water at 29°C. What is the mass of water at the end
A vertical, circular cross-sectional jet of air strikes a conical deflector as indicated in Fig. P5.55. A vertical anchoring force of 0.1 N is required to hold the deflector in place. Determine the mass (kg) of the deflector. The magnitude of velo..
A 0.250-kg toy is undergoing SHM on the end of a horizontal spring with force constant k = 320 N/m. What is the amplitude of the motion
what is the compressional stress that the arm withstands during the crash?
An athlete at the gym holds a 1.8-kg steel ball in his hand. His arm is 74-cm long and has a mass of 4.00 kg. What is the magnitude of the torque about his muster if he holds his arm straight out, parallel to the floor.
Water flows from a fire truck through a hose that is 10.7 cm in diameter and has a nozzle that is 2 cm in diameter. what is the gauge pressure in the truck
Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.
The water is near freezing in temperature. Typically a human can only swim in such water for about 300 seconds (or 5 minutes) before hypothermia sets in. Calculate the time the explorer spends in the water
Nichrome wire of cross-sectional radius 0.782 mm is to be used in winding a heating coil, find the length of wire you must use to wind the coil
A 0.75 kilogram ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 meter on a frictionless horizontal surface. find what is the maximum speed the ball can have
A rubber ball with a mass of 0.160 kg is dropped from rest. From what height was the ball dropped, if the magnitude of the ball's momentum is 0.770 kg·m/s just before it lands on the ground?
An 18kg object is pulled 7.50m along a horizontal surface with a 120N force acting at 50 degrees above the horizontal. uk = 0.450, Determine the net/total work done on the object
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