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A spinning disk (i.e., a rotating disk) has a radius of 6 cm (6 centimeters) and a constant rate of rotation of 7200 rpm (7200 revolutions per minute). Find the total distance traversed in 5 seconds by a particle of dust that lies at a point on the surface of the disk which is at a distance of 2.5 cm from the center. Express your answer in units of meters.
a 0.40kg ball is suspended from a spring with spring constant 12 N/m. what is its maximum speed while it oscillates
An earth satellite moves in a circular orbit with an orbital speed of 5800m/s. Find the radial acceleration of the satellite in its orbit
A bullet is shot into a block of plastic. The bullet penetrates the block 0.15 m. The mass of the bullet is 9 g. It is traveling with a speed of 525 m/s before it hits the block. Use kinematic equations to discover the magnitude of the acceleration o..
An ideal gas occupies a volume of 2.85 m3 at STP. The pressure of the gas in increased to 3.71 atm. Calculate the new volume of the gas
An elevator 700000 N is accelerating downward at the rate 4.55 ft/s^2. The maximum tension that the cable can handle is 125000 N. What is the shortest distance the elevator could travel?
An object of mass m is dropped at t = 0 from the roof of a building of height h. While the object is falling, a wind blowing parallel to the face of the building exerts a constant force F on the object. (a) At what time t does the object strike th..
a person is 1.8 m tall, standing upright. His heart is 1.4m above his feet. He is doing a head stand. Calculate the hydrostatic blood pressure in his feet
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t = 0, What is the initial current in the circuit
A flywheel is rotating initially with an angular velocity of 3.0 rad/s clockwise. Sometime later it is rotating with an angular velocity of 8.0 rad/s counterclockwise. What is the direction of the angular acceleration
An electron is free move only along the x axis and is attracted to x=0 by harmonic potential with angular frequency of 1.9 eV/h. What is the lowest energy the electron can have
question air enters a hot-air furnace at 7degc and leaves at 77degc. if the pressure does not change each entering
Sam heaves a shot with weight 16-lb straight upward, giving it aconstant upward acceleration from rest of 46.0 m/s^2 fora height 64.0 cm. What is the speed of the shot when he releases it
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