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A bowling ball is released from rest and rolls without slipping down an inclined plane at 18° to the horizontal. What is the speed (m/s) of its center of mass after it has rolled 2.5m down plane? Think about the bowling ball to be a uniform sphere.
A 251 kg wooden raft floats on alake. When a 76 kg man stands on theraft, it sinks 9.0 cm deeper into thewater. When he steps off, the raft vibrates for a while. What is the frequency of vibration
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
A diverrunning 1.9 m/s dives out horizontally from the edge of a verticalcliff and 2.8 s later reaches the water below. How far from its basedid the diver hit the water
An electric field of intensity 2.5 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.70 m long if the following conditions are true.
Acircular hole of radius 8.470×10−1 cm must be cut into the front panel of a display unit. The tolerance is1.0×10−3 cm, which means the actual hole cannot differ by more than this quantity fromthe desired radius. If the actual holeis larger than the..
a French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic. What frequency is detected by the French sub in the signal reflected back to it by the U.S. sub
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 9.0 m/s.
a dog walking quickly away from a motion detector. Draw a velocity graph that could represent this motion
A 34.3 kg child swings on a rope with a length of 6.28 metershanging from a tree. At the bottom of the swing, the child is moving at a speed of 4.2 m/s. What is the tension in the rope?
An ac generator has a maximum potential difference output of 155V. find the rms potential difference output
An observer detects two explosions, one that occurs near her at a certain time and another that occurs 2.00 ms later 100 km away. Another observer finds that the two explosions occur at the, same place. What time interval separates the explosions to ..
A 75 , 33 long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 12 ball of clay traveling horizontally at 2.6 hits and sticks to the very bottom tip of the rod.
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