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A point on a rotating turntable 15.0 centimeter from the center accelerates from rest to 0.700 m/s in 1.75 second. Obtain the magnitude of the centripetal acceleration of the point at t=1.00 second?
A 5.00 kg chunk of ice is sliding at 13.0 m/s on the floor of an ice-covered valley when it collides with and sticks to another 5.00 kg chunk of ice that is initially at rest. how high above the valley floor will the combined chunks go
The diffraction pattern of a uniformly illuminated double-slit aperture consists of bright fringes spaced 5.00 cm apart on a screen 2.00 m from the aperture. what is the slit width and slit seperation
Treat a Boron atom as 5 protons at the origin, 2 electrons spread uniformly on a shell (radius 13.2[pm] centered on the origin) , 2 more electrons spread on a shell (radius 105.8[pm] centered on the origin), and its outer electron at x= 211.6 pm.
Water at a pressure of 3.00*10^5 Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What is the instantaneous angular velocity of the disk at the end of the 5.0 s
We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 70.0kg and diameter 1.00m . A) If this tumbler rolls forward at 0.550 rev/s, how much total kinetic energy does he have? B) What percent of his total kinetic energy is ro..
An apple is dropped from a 25m cliff. At the similar time, a person at the bottom of the cliff fries an arrow up towards the apple. The arrow sticks the apple 0.450 seconds later.
An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 85.0 rad/s in 1.76 s. Determine the initial angular speed of the fan
An empty 13461 kg coal car is coasting on a level track at 6.7 m/s. Suddenly 4761 kg of coal is dumped into it from a chute directly above it. Find the final speed of the car
A bicyclist on a horizontal plane starts from rest and begins to pedal. The wheel of radius r = 0.345m has a constant angular acceleration of ? = 9.35rad/s2, What is the final angular velocity of the wheel
By how much does the air pressure in a house increase if the house is sealed and the air temperature increases from 12.2° C to 19.1° C
a cessna aircraft has a lift-off speed of 120 kmh.a what minimum constant acceleration does the aircraft require if it
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