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A Ferris wheel is moving at an initial angular velocity of 1.0 rev/54s. If the operator then brings it to a stop in3.4min,
what is the angular acceleration of the Ferris wheel? Express your answer in rad/s2.
______rad/s^2
Through how many revolutions will the Ferris wheel move while coming to a stop?
_____rev
A uniform disk with a mass of 875 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz, What is the new rotational speed of the disk
The maximum induced emf in a generator rotating at 249 rpm is 44 V. How fast must the rotor of the generator rotate
An aluminum plate has a length of 0.12 m and a width of 0.10 m at 25 °C. what is the change in the area of the plate as a result of the increase in temperature
Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, Find the total change in the planet's velocity in m/s
An air-filled toroidal solenoid has a mean radius of 14.0cm and a cross-sectional area of 6.80cm2. How many turns does the winding have
A thin cable 2m long with a mass of 100g is fixed at both ends. Its tension is 20N. What is the frequency of this mode of vibration
The rock reaches a maximum height of 2×10^3 m, above the surface of the planet, before it falls back down. What was the first speed of the rock as it left the astronaut's hand.
A girl delivering newspapers covers her route by traveling 7.00 blocks west, 4.00 blocks north, and then 3.00 blocks east. What is her resultant displacement
What is acceleration due to gravity
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106N , one at an angle 10.0? west of north, What is the total work done by the two tugboats on the supertanker
A child on a boat throws a 5.40 kg package out horizontally with a speed of 12.0 m/s. determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.5 kg and the mass of boat is 55.5 kg.
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
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