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Because it can go from rest to 14.9 m/s (about 33 mi/h) in 2.2 s, one of the fastest-accelerating animals is the cheetah. If its mass is 56.0 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in the following units. (a) watts (b) horsepower.
ulie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 33 degrees; What is the speed of the ball when it leaves Sarah's hand
calculate the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted from a 3
A car is driven 175km west and then 55km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
two speakers one directly behind the other are each generating a 235-hz sound wave. what is the smallest separation
When a 32.0-V emf device is placed across two resistors in series, a current of 11.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 56.0 A. Wh..
Nearly plane waves of C02 laser light of wavelength l = 10.6 m emerge from a circular aperture 10 cm in diameter. If the C02 laser light is to be examined on a target in the far field
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 79.0 dB. What total sound intensity engulfs you
A delivery truck travels 30 blocks north, 20 blocks east, and 24 blocks south. Suppose the blocks are similar length. Find the magnitude of its final displacement from origin
Determine how far in front of the lens the object should be placed in order to produce an image that is reduced by a factor of 4.45
a charge of -5.00 nc is spread uniformly over the surface of one face of a nonconducting disk of radius 1.00cm .a find
consider an electron in a box. if the energy of the first excited state is 10 evlarger than the energy of the ground
A 246 kg wooden raft floats on a lake. When a 80kg man stands on the raft, it sinks 4cm deeper into the water. When he steps off, the raft vibrates for a while.
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