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A rotating wheel 180 cm in diameter is decelerating at 0.21rad/s^2.
1. What is the tangential linear acceleration of a point on the wheel's rim?
2. What should be the initial angular speed if the wheel is to stop after exactly on revolution?
An 80.0 N box is pulled 19.0 m up a 30° incline by an applied force of 97 N that points upward, parallel to the incline. calculate the change in the kinetic energy of the box
The depth of the Pacific Ocean in the Mariana Trench is 36,198 ft. What is the gauge pressure at this depth
The total electric flux coming out of a cubical box, that is 28.0 cm on a side, is 94 GNm^2/C, How many coulombs of charge are enclosed by the box
Three moles of an ideal monatomic gas expands at a constant pressure of 2.90atm ; the volume of the gas changes from 3.00×10?2m3 to 4.40×10?2m3. Calculate the amount of work the gas does in expanding
A transparent rod 50.0cm long and by a refractive index of 1.60 is cut flat at the right end and rounded to hemispherical surface (convex) by a radius of 15.0cm at the left end. An object is placed on the axis of the rod 12.0cm to the left of the ver..
A helicopter (m=1250 kilogram) is cruising at a speed of 25.0 m/s at an altitude of 185 meter. Find the total mechanical energy of the helicopter
a little girl and her father are both playing on a merry go round in the park. what is the average angular velocity of the father
A capacitor is constructed of two concentric conducting cylindricalshells. The radius of the inner cylindrical shell is 2.29 10-3 m, and that of the outer shell is2.43 10-3 m.
Standing waves are set up on two strings fixed at each end, as shown in the drawing. find the beat frequency produced by the two standing waves
A stone is dropped from the roof of a building; 1.90s after that, a second stone is thrown straight down with an initial speed of 25.0m/s , How long did it take the first stone to reach the ground
A 92kg astronaut and a 1200 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.14m/s directly away from the shuttle. Seven-and-a-half seconds later the astronaut comes into contact wi..
A person carries a long pole of mass 10kg and length 3.40 m at the angle of 60 degrees. Find the magnitude of the torque on the pole by reason of gravity.
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