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Calculate the maximum acceleration of a car with four wheel drive that is heading up a 8.5° slope (one that makes an angle of 8.5°with the horizontal) under the following road conditions. Assume that the static coefficient of friction is involved--that is, the tires are not allowed to slip during the acceleration.
(a) on dry concrete
(b) on wet concrete
(c) on ice, assuming that A?µs = 0.100, the same as for shoes on ice.
illustrate what force should the second crewman pull so that the net force of the two crewman is in the forward direction?
A football player kicks a ball at an angle of 37 degrees above the horizontal, with a velocity of 20.0 m/s^2. How far horizontally does the ball travel in 1.80 s? How high does the ball travel in 1.80 s? (g = 9.80 m/s, and air resistance is neglig..
A 5.66 microcoloumb and a -2.88microcoloumb charge are placed 16.9cm apart. Where can a third charge be placed
an green hoop with mass mh 2.6 kg and radius rh 0.13 m hangs from a string that goes over a blue solid disk pulley
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 115 m. Find the magnitude of the total force on the port
A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 41.0 km/hr (11.4 m/s), the net power which the engine supplies is 4300.0 W (in addition to the extra power required to make up for air resista..
A woman who can row a boat at 7.3 km/h in still water faces along, straight river with a width of 6.8 km and a current of 3.3km/h. Let point directly across the river and point directly downstream. If she rows in astraight line to a point directly..
Light of wavelength 720nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 46mm, What is the separation of the two slits
Nichrome wire of cross-sectional radius 0.791 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
algebracially prove thata b a c b c a b a b c a bno truth table is
A gas fills the right portion of a horizontal cylinder whose radius is 5.57 cm. The initial pressure of the gas is 2.91 x 105 Pa. A frictionless movable piston separates the gas from the left portion of the cylinder that is evacuated and contains ..
A football player kicks a 0.41 kilogram football initially at rest; and the ball flies through the air. find the magnitude of the average force on the football
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