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Some gliders are launched from the ground by means of a winch, which quickly reels in a towing cable attached to the glider. What average power must the winch supply in order to accelerate a 195-kg ultra light glider from rest to 28.4 m/s over a horizontal distance of 52.0 m? Suppose that friction and air resistance are negligible, and that the tension in the winch cable is constant.
A sealed container has a volume of 0.0030m^3 and contains 30 g of molecular nitrogen which as a mass of 28u. What is the pressure of nitrogen gas
The drive propeller of a ship starts from rest and accelerates at 3.00 x 10-3 rad/s2 for 2.70 x 103 s. Find the total angular displacement of the propeller
The first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t..
Find out distance the two drivers travel
what is the new force between the objects. if Andromeda contains roughly the same number of stars and attracts the Milky Way with a gravitational force of 2.4*10^30N.
A ball of radius 0.200 m rolls with a constant linear speed of 3.22 m/s along a horizontal table. What is the angular displacement of the ball while the ball is in the air
A particle of mass M is subjected to a force F(t) = kte-alphat, where k is a constant and alpha = 0.5 s-1. If the particle is initially at rest, calculate the position, velocity and acceleration as a function of time.
A photon has a wavelength λ and an energy E before scattering from a free electron. Calculate the wavelength and energy of the photon
a a proton of mass mp 1.67 x 10-27 kg and charge e 1.60 x 10-19 c is accelerated from rest through an electric
Determine the temperature at which the resistance of atungstenwire will be three timesits value at 20°C. Assume its coefficient of resistivity remains constant.
You are standing still and watching a spaceship fly past. How fast is the spaceship moving, relative to you
A 66 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. what is the magnitude of the initial acceleration of the crate
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