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At t=0, a grinding wheel has an angular velocity of 27.0rad/s. It has a constant angular acceleration of 33.0rad/s2until a circuit breaker trips at timet= 1.80s. From then on, it turns through an angle 440 rad as it coasts to a stop at constant angular acceleration.
Through what total angle did the wheel turn between t=0 and the time it stopped?
At what time did it stop?
What was its acceleration as it slowed down?
A golf ball is hit on level ground at 30 m/s and 29 degree above the horizontal. determine how far does it travel horizontally
What is magnitude of the electric field
net displacement of an object equal to zero
A sealed tank containing seawater to the height of 11.10 m also contains air above the water at a gauge pressure of 3.20 atm. Water flows out from the bottom throughout a small hole.
Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. N (toward the earth)
A 0.030 kg lead bullet hits a steel plate, both initially at 20?C. The bullet melts and splatters on impact. What is the minimum speed the lead bullet must have in order to melt on impact
An RLC circuit has voltage supplied to it at a frequency of 31 kHZ with a phase difference between the current and the voltage of magnitude 0.8 rad, find the resistance of the circuit
a car weighing 10 n on a hill which makes an angle of 20 degree with the horizontal.find the components of cars weight
the 20 g centrifuge at nasas ames research center in mountain view california is a horizontal cylindrical tube 58 ft
How much work is required to lift a 1 kg mass of fluid from the Earth's surface to an altitude of 10 km against the gravitational force
A hammer strikes one end of a thick iron rail of length 5.60 m. A microphone located at the opposite end of the rail detects two pulses of sound, Which pulse reaches the microphone first
Larry is standing at the edge of a vertical cliff 210m about the sea. how far has the rock traveled horizontally when it hits the water
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