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A 12-in record is dropped on a large 12-in phonograph turntable that is freely turning at 37 rev/min. The mass of the record is 63 g and the mass of the turntable is 1.19 kg. What is the final speed of the turntable in revolutions per minute? (Hint: In this case, you may add the angular momenta in a manner analogous to adding linear momenta.)
A laser beam is incident on two slits 0.100 mm apart and a screen is placed 4 m from the slits. what is the wavelength of the laser light
In the experiment, if the accelerating voltage is 300 V and the radius of the beam path is 3.2 cm, what is the Lorentz force on a single electron
A teenager pushes tangentially on a small hand-driven merry-go-around and is able to accelerate it from rest to a frequency of 15 rpm in 10.0 s. determine the net work performed by the children
There is a clever kitchen gadget for drying lettuce leaves after you wash them. find the magnitude of the centripetal acceleration at the outer wall
Inside an insulated container, a 250-g ice cube at 0 °C is added to 200 g of water at 18 °C. What is the remaining ice mass
A horse drags a 100 kg sled a distance of 4 km in 20 minutes. What is the coefficient of sliding friction between the sled and the ground
a cylindrical tube oriented vertically on earths surface closed at the bottom and open at the top height 100 m cross
A 196.2 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 42.1 N
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 49.0m/s2, Find the maximum height ymax reached by the rocket
two parallel plate capacitors have circular plates. the magnitude of the charge on these plates is the same. however
A particle is launched in a gravitational field (g) with an initial velocity of v nought at an angle of theta with respect to the horizontal, Write down the equations for displacements along x- and along the y- axis as a function of time (t)
a spring is hanging down from the ceiling has an object of mass m is attached to the free end of the spring. the object
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