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A golfer, driving a golf ball off the tee, gives the ball a velocity of +31 m/s. The mass of the ball is 0.045 kg, and the duration of the impact with the golf club is 3.45 10-3 s.What is the change in momentum of the ball? Determine the average force applied to the ball by the club
At time t = 0 s, apple 1 is dropped from a bridge onto a roadway beneath the bridge; somewhat later, apple 2 is thrown down from the same height.
Suppose the temperature of 4.72 L of ideal gas drops from 351 K to 275 K. (a) If the volume remains constant and the initial pressure is atmospheric pressure, Find the number of moles of gas
A photovoltaic cell can produce an average of 40 Wm^-2 (Watts permeter squared) of electrical energy if it is directly facing thesun at the equator.
Physics Question: A jogger runs directly east for 5 km, then turns and goes northwest for 9 km. He then travels directly south for 2 km
a plane flies at an airspeed of 255 kmh. a wind is blowing at 75 kmh toward the direction 60deg east of north.a in what
The top layer of your goose down sleeping bag has a thickness of 5.4cm and a surface area of 1.0 m^2. What is the thermal conductivity of the goose down
A sanding disk with rotational inertia I is attached to an electric drill whose motor delivers a torque of magnitude? calculate the angular velocity of the disk
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
0.150kg stone rests on a frictionless, horizontal surface. A bullet of mass 5.00g , traveling horizontally at 380m/s , Compute the direction of the velocity of the stone after it is struck
A small, 1.80-mm-diameter circular loop with R = 1.00×10-2 ohms is at the center of a large 110-mm-diameter circular loop. What is the induced current on the inner loop
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
a train travels due south at 30 ms relative to the ground in a rain that is blown toward the south by the wind. the
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