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How much work is required to accelerate a 1440kg cylinder from rest to 1.00 revolution per second? Assume a solid cylinder of radius 7.50m. The moment of inertia of a cylinder is (1/2)mr2.
Please answer and show me all of the steps! Need help.
Answer: _______x 105 J
A skin diver is 2.1m below the surface of a lake. A bird flies overhead 7.2m above the surface of the lake. how far above the diver does it appear to be
An undersea research chamber is spherical with an external diameterof 5.80 m. evaluate the buoyant force on the chamber
A rocket of mass 3.95 ×105 kilogram is in flight near earth's surface. Its thrust is directed at an angle of 65.7 degree above the horizontal and has a magnitude of 7.76 × 106 Newton. find what is the direction of the rockets acceleration
A professor drives off with his car (mass 820 kg), but forgot to take his coffee mug (mass 0.38 kg) off the roof. What is the maximum acceleration of the car
A 18kg child slides down a 2.5m -high playground slide. She starts from rest, and her speed at the bottom is 1.8m/s. What is the change in the thermal energy of the slide
Ultraviolet light of wavelength 280 nm is used in an experiment on photoelectric effect with lithium (c = 2.5 eV) cathode. Find the maximum kinetic energy of the photoelectrons and (b) the stopping potential.
A charge Q = 1.97 x 10-8 C is surrounded by an equipotential surface with a surface area of 1.23 m2. Find what is the electric potential at this surface
Assume that wind, which forced a fluids motion along a north to south path suddenly ceases at latitude 45oN and the only acceleration to continue is due to the Coriolis force. find the time it takes to complete one full circle
An incident x-ray photon is scattered from a free electron that is initially at rest. What is the wavelength of the incident photon
A 42 kg pole vaulter running at 11 m/s vaults over the bar. Her speed while she is above the bar is 0.7 m/s. Avoid air resistance, as well as any energy absorbed by pole, and determine her altitude as she crosses the bar.
The power supplied to a typical black-and-white television set is88 W when the set is connected to 120V. How much electrical energy does this setconsume in 1 hour?
1). What are the dimensions (M, L, T) of stress? 2). What are the SI units (basic units, kg, m, s) of stress, i.e. the pascal?
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