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A woman of 61 kg is held firmly in the seat of her automobile by a lap and shoulder seat belt. Through a collision, the automobile decelerates from 59km/hr to 0km/hr in 11 seconds. What is the magnitude of the average horizontal force that the seat belt exerts on the woman?
The magnetic field near the surface of a neutron star has a magnitude of 1.00 x 108 T. Compute the magnitude of the acceleration
A hollow sphere of radius 0.170 meter, with rotational inertia I = 0.0150 kg•m2 about a line through its center of mass, rolls without slipping up a surface inclined at 38.0 degree to the horizontal. Obtain how much of this initial kinetic energy is ..
A cat dozes on a stationary merry-go-round, at a radius of5.5m from the center of the ride. Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every6.0s.
A spring has a spring constant of 578 N/m. When used tosuspend an object in air, the spring stretches by 0.0640 m. What buoyant force acts on the object
A 20.0kg light signal hangs from the end of a 7.0m uniform density pole of mass 12.0kg. The pole is free to swivel from the hinge at point A, What is the reaction force (magnitude and direction) at the hinge
A skier traveling at 37.9 m/s encounters an 18.3 degree slope. If you could ignore friction, to the nearest meter, how far up the hill does he go? If the coefficient of kinetic friction in the previous problem was actually 0.12 and the slope 30 degre..
A simple pendulum is made from a 0.55-m-long string and a small ball attached to its free end. how much time elapses before it attains its greatest speed
Mason's net income (pre-bonus) is expected to be $3,000,000, and bonus expense is deducted in computing net income. Illustrate what is the amount that needs to be recorded for estimated bonus liability for 2010?
A river 108.0 m wide flows toward the south at 35.6 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. How long does it take her to cross the river
A proton is shot at 5x10^7 m/s toward a gold atom, with a mass 197 times t hat of the proton and deflects it straight back with 80% of its initial speed. What is the recoil speed of the gold nucleus?
A three-legged wooden bar stool made out of solid Douglas fir has legs that are 2.5cm in diameter.When a 65 man sits on the stool, by what percent does the length of the legs decrease
A certain substance has a mass per mole of 39 g/mol. When 288 Jis added as heat to a 28.5 g sample ofthis material, What is the molar specific heat of the substance
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