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High Speed stroboscopic photographs show that the head of a200 g golf club is traveling at 55 m/s just before it strikes a46g golf ball at rest on a tee. After the collison , the clubhead travels (in same direction) at 40 m/s Find the speed of the golf ball just after impact?
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. What is the mass of this canister
A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb
Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 460 to 155 K. Determine the work done by the gas
If the spring is stretched by 1.4 times the value in part A, and then released from rest, and the coefficient of kinetic friction between the box and the plank is 0.34, what is the magnitude of the initial acceleration of block as it starts moving..
two capacitors c1 and c2 with capacitors of 0.25 uf and 0.50 uf respectively are connected in parallel across on 80 volt circuit, what is the total charge stored in the capacitor
An aircraft with a mass of 956 kg accelerates from 0 to 92 m/s in 6.7 seconds, What is the kinetic energy of the aircraft when the aircraft launches
Suppose 1.86 kg of water at 14.4C is mixed with 2.28 kg of water at 79C. After equilibrium is reached, the mixture has an uniform temperature of 49.9768C. What is the change in entropy of the system? The speci?c heat of water is 4186 J/kg · K.
A defibrillator consists of a 16.7-µF capacitor that is charged to 9.0 kV. how much charge passes through the body tissues
A skier of mass 73 kg is pulled up a slope by a motor-driven cable, What power (expressed in hp) must a motor have to perform this task
It is important for the body to have mechanisms to effectively cool itself; if not, moderate exercise could easily increase body temperatures to dangerous levels. by how much would his body temperature rise during this exercise
A bird watcher meanders through the woods, walking 0.261 km due east, 0.315 km due south, and 1.74 km in a direction 72.5 ° north of west. find the magnitudes of the bird watchers average velocity
At a recent rock concert, a dB meter registered 110 dB when placed 2.00 m in front of a loudspeaker on the stage. What was the power output of the speaker
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