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A 83 kg solid sphere with a 19 cm radius is suspended by a vertical wire. A torque of 0.41 N·m is required to rotate the sphere through an angle of 0.81 rad and then maintain that orientation. What is the period of the oscillations that result when the sphere is then released?
A train starts at rest at a station and accelerates at a rate of 2.0 m/s^2 for 20 seconds. Then, this train runs at a constant speed for 100 seconds and slows down at a rate of 5.0 m/s^s until it stops at the next station. compute the total distan..
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Determine the specific heat of the unknown second sample
a car traveling in a straight line has a velocity of 8.5 ms. after 6.0 s its velocity is 8.0 ms. what is the cars
A 12 g bullet travelling at 420 m/s is fired into the middle an unlatched 32.0 kg door. The door in hinged on one end, is 1.20 m wide and has I = 1/3 Md2. The bullet hits the middle of the door. What is the angular speed of the door just after the bu..
In a diffraction experiment, light of 600nm wavelengthproduces a first-order maximum 0.350 mm from the central maximum ona distant screen. obtain the wavelength of the light from the second source
A certain dog whistle operates at 21.6 hz while another brand X operates at an unknown frequency. estimate the operating frequency of brand X
a uniform rectangular plate is hanging vertically downward from a hinge that passes along its left edge. by blowing air
A jet with mass m=130000kg jet accelerates down the runway for takeoff at 2.1m/s^2. What is the net horizontal and vertical force on the airplane
A radio station with a power of 16kW sends out an omnidirectional wave at 2.1MHz. What is the electromagnetic wave's wavelength
at an accident scene on a level road investigators measure a cars skid mark to be 93m long. the accident occurred on a
A playground merry-go-round ofradius 2.00 m has a moment of inertia I = 325 kgm2 and isrotating about a frictionless vertical axle. What is the angular speed of the system when the child reaches the edge
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
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