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A potter's wheel (a solid, uniform disk) of mass 7.0 kg and radius 0.65 m spins about its central axis. A 2.7 kg lump of clay is dropped onto the wheel at a distance 0.41 m from the axis. Calculate the moment of inertia of the system.
what is the magnetic force per meter exerted by one bolt. After the first spring compresses a distance of 28.5 cm, the second spring acts with the first to increase the force as additional compression occurs as shown in the graph. The car comes to ..
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
A 73 long metal string under 35.5 tension has a linear mass density 2.20×10?4, Find the frequencies of the first three harmonics
A headphone manufacturer warns that to protect your hearing, What is the corresponding sound intensity
In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.
An interstate highway has been built through a neighborhood in a city. In the afternoon, the sound level in an apartment in the neighborhood is 95.0 dB as 105 cars pass outside the window every minute. Late at night, the traffic flow is only six c..
Over the course of a multi-stage 4080-km bicycle race, the front wheel of an athlete's bicycle makes 2.00 106 revolutions. How many revolutions would the wheel have made during the race
a 5kg block is pushed up a frictionless plane inclined at 30 degrees to the horizontal. What fraction of the work done by the force is the dissipated by the friction
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers. find At what speed are you driving
During a week of study, a 9.0 acre pond receives 65 mm of rain. An adjacent Sunken Colorado pan records an evaporation of 38 mm. What is the net change of water volume in the pond
A solar cell generates a potential difference of 0.1452 V when a 500 ? resistor is connected across it, and a potential difference of 0.2195 V when a 1000 ? resistor is substituted. What is the emf of the solar cell
A 0.04-kg baseball traveling in a horizontal direction with a speed of 16 m/s hits a bat and is popped straight up with a speed of 15 m/s. what was the average force of the bat on the ball
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