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A piano is at rest on a ramp inclined 17o above the horizontal the ramp exerts a normal force of 360 Newton on the piano. Find the magnitude of the piano weight?
an am radio station broadcasts an electromagnetic wave with a frequency of 599 khz whereas an fm station broadcasts an
At table tennis ball has a positive charge of 4.50 × 10-8 coulombs. It experiences a force of 2.72 × 10-3 newtons due to an electric field. What is the strength of the electric field?
Two narrow slits are utilized to produce a double-slit interference pattern with monochromatic light (λ = 680 nm). The slits are separated by 0.70 mm, and the interference pattern is projected onto a screen 5.5 m away from the slits.
The angular speed of an automobile engine isincreased at a constant rate from 1500rev/min to 2500 rev/min in13 s. How many revolutions does the engine make during this13 s interval
A gate in an irrigation canal is in the form of a semi-circle with radius of 4m (straight side on top). Find the hydrostatic force on the gate
A person sees clearly wearing eyeglasses that have a power of -5.00 diopters, If the person wants to switch to contact lenses placed directly on the eyes, what lens power should be prescribed
Weightless bar is 18 meters. Upward forces of 165N at 3 meters from left and one of 310N at 14 meters from left. Downward force of 475N is applied. What should be Point of Application
A cat is brought into a vets office you need to find itscenter of gravity. what is the total weight of the cat
In a television, electrons shoot down the picture tube and strike fluorescent material on the screen, causing light to be emitted and producing the picture. assume that a certain set, the electrons are accelerated from rest 2.0 x 10^8 ms-1 in abou..
The angular velocity of a flywheel obeys the equation , where is in seconds and and are constants having numerical values 2.45 (for ) and 1.60 (for ). Part D What is the angular acceleration of the wheel at = 2.50 ? Part E Through what angle does ..
Gas is confined in a tank at a pressure of 11.7 atm and a temperature of 30.0°C. If two-thirds of the gas is withdrawn and the temperature is raised to 77.0°C, what is the pressure of the gas remaining in the tank? atm
A 15.0 kg box is pushed 5.00m across a level floor along whichμ=0.333. The push acts parallel to the floor. Determine the push required to accelerate the box from rest to 1.50m/s?
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