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A lowly high diver pushes off horizontally by a speed of 2.77 m/s from the edge of a platform that is 10.0 m above the surface of the water. (a) At what horizontal distance from the edge of the platform is the diver 0.885 s after pushing off? (b) At what vertical distance above the surface of the water is the diver just then? (c) At what horizontal distance from the edge of the platform does the diver strike the water?
A wheel initially at rest begins rotating because of a constantangular acceleration. During a certain interval ΔT =16 s, the wheel goes through 110 rev and reaches an angular speedof 11 rev/s.
a 44 mh inductor is connected to 220 v 50 hz ac supply. determine the rms value of the current in the
Write an expression for the electric field vector of a uniform plane wave in free space that is propagating in the direction given by a line from the origin to the point (3,0,4), Compute the irradiance of this wave
During a sleet storm, the roads are covered with frictionless ice. A car of mass 1000 kg traveling east at a speed of 6m/s slams into a stationary truck of mass 2000kg. Determine the velocity of the truck just after the collision
A steel cable with total length 59 m and mass 110 kg is connected to two poles. The tension in the cable is 1,260 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable
A 65.0 kg object slides down a 30o angle slope from rest at a height of 15.0 m. The coefficient of kinetic friction between the object, find vthe object's speed at the bottom of the slope
A potter's wheel having a radius 0.48 m and a moment of inertia of 10.4 kg · m2 is rotating freely at 48 rev/min. The potter can stop the wheel in 4.5 s by pressing a wet rag against the rim and exerting a radially inward force of 65 N. Find the effe..
A certain laboratory experiment requires an aluminum wire of length of 36.0 m and a resistance of 2.80 ? at 20.0°C. What diameter wire must be used
A boat heads directly across a river. Its speed relative to the water is 3 m/s. How fast is the boat going relative to the bank of the river
Two resistors of resistance R are connected in parallel. The combination is connected in series to a resistor of resistance 2R. What is the resistance of this combination of resistors
A 24 GeV proton in cosmic radiation moves in Earth's magnetic field B, with a velocity v perpendicular to B, What is the radius of the proton's curved path in that region
A 5.080 kg block of wood rests on a steel desk, State the force of friction applied to the block by the table at the following times: t=0 and t>0
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