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A 70kg person running at an initial speed of 4m/s jumps onto a120kg cart initially at rest. The person slides on the cart's topsurface and finally comes to rest relative to the cart. Thecoefficient of kinetic friction between the person and the cart is0.400. Friction between the cart and ground can be ignored.
(a) Determine the displacement of the person relative to theground while he is sliding on the cart.
(b) Determine the displacement of the cart relative to theground while the person is sliding.
A rocket of mass 4.42 × 105 kg is in flight near earth's surface. Its thrust is directed at an angle of 65.3 ° above the horizontal and has a magnitude of 8.04 × 106 N. determine the direction of the rockets acceleration
Find out the angle of flint glass prism which should be combined with a crown glass prism of 5 degree so as to give dispersion but no deviation
A transformer is to be used to provide power for a computer disk drive that needs 6.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 420, and it delivers 500 mA (the secondary current) at an output v..
By what factor would its kinetic energy decrease if the car traveled half as fast
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The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately . Find the distance from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that ea..
A certain capacitor in a circuit has a capacitive reactance of 26.9 ? when the frequency is 189 Hz. What capacitive reactance does the capacitor have at a frequency of 6210 Hz
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The density of a 3.0-m long rod can be described by the linear density function ?(x) = 105 g/m + 10.9x g/m2. Determine the center-of-mass coordinate
A drunk driver in a 2300kg car plows into a 2100kg parked car with its brake set. Police measurements show that the two cars skid together a distance of 20m before stopping. If the effective coefficient of friction is 0.68, how fast was the drunk goi..
What current must exist in the conductor for the tension in the supporting wires to be zero when the magnetic field is 3.40 T into the page
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