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A bicycle and rider with mass m rolls down a hill at constant velocity under the influence of gravity with negligible rolling resistance. The hill makes an angle of θ = 19 degrees with respect to the horizontal. The force of air resistance, termed "drag", has a magnitude of Fd = 59 N. Assume that the x-direction is parallel to the slope of the hill and the y-direction is perpendicular to the hill as shown.
A string is stretched between fixed supports separated by 75.0 cm. It is observed to have resonant frequencies of 288.0 and 384.0 Hz, What is the lowest resonant frequency for this string
The earth orbits the sun in an approximately circular orbit of radius 1.496x10^11 m, Use these data to determine the mass of the sun
at what speed must an object be moving in order that it haskinetic energy 1.50 times its rest energy
Illustrate what is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road?
a 1.2 m long bar of porcelain is placed in a laboratory furnace and heated to 1005 degrees c. if the final length of
A planet of mass m = 8.15 Ã? 1024 kg is orbiting in a circular path a star of mass M = 6.05 Ã? 1029 kg. What is the orbital period (in earth days) of the planet Tplanet
A coin is placed 15.0 centimeter from the axis of a rotating turntable of variable speed. Find the coefficient of static friction between coin and turntable
An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. (a) If she is swimming initially in the positive x-direction, determine her average velocities symbolically in (a) the first hal..
A circular loop of wire of 250.0 turns is placed perpendicular to a uniform magnetic field of .500 T. The area of the loop is decreasing at a rate of 1.00* 10^-3 m^2 in .400 s. Calculate the induced emf in the loop. please answere in depth
A 0.5 kilogram block attached to an ideal spring (k = 100 N/m) oscillates on a horizontal frictionless surface. Find the greatest speed of the block
A woman is riding a Jet Ski at a speed of 25 m/s and notices a seawall straight ahead. what is the minimum distance from the seawall
a roller coaster has a vertical drop of 68.6m. the speed at the end of the drop is 35.6 ms. the car is at rest at the
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