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On a frozen pond, a 10kg sled is given a kick that imparts to it an intial speed of v0 = 2.0m/s. The coefficient of the kinetic friction between sled and ice is Mk = 0.10. Use the work-energy theorem to find the distance the sled moves before coming to rest.
A driver in a car travelling at the speed of 78 km/h sees a cat km away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 99 m.
If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, illustrate what distance would the bird cover? Express your answer in miles.
A 0.50kg object is attached to an ideal massless spring of spring constant 20N/m along a horizontal, frictionless surface. What is the amplitude of vibration
The New England Merchants Bank Building in Boston is 152 m high, What is the total distance, side to side, that the top of the building moves during such an oscillation
The sound level 25.0m from a loudspeaker is 69.0 dB. Calculate the rate at which soundenergy is produced by the loudspeaker, assuming it to be anisotropic source.
Two thin lenses with a focal length of magnitude 16.5cm , the first diverging, How far from this first lens is the final image formed
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle. find the bundle's initial vertical component of velocity
A wheel 2.20 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.45 rad/s2. find the angular position of the point P
questiona 170g copper bowl contains 200g of water both at 21c. a very hot 490g copper cylinder is dropped into the
A loudspeaker emits energy at the rate of 53W, What is the intensity of sound 19m from the speaker
A golfer imparts a speed of 27.3m/s to a ball, and it travels the maximum possible distance before landing on the green. How much time does the ball spend in the air
Find the speed an alpha particle requires to come within 4.0x10-14 m of a uranium nucleus. Find the energy of the alpha particle
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