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A car sits on the side of the road trying to sit out a blizzard. A passing truck skids into the stationary car sending it sliding off the road. The car slides down a snowy hill, reaches a level valley floor, and continues to slide to a stop. Determine the height of the hill above the valley floor. Treat the positive direction as to the right. Solve symbolically if there had been enough info given to to determine the initial velocity of the car AFTER it was hit by the truck. And if the angle is given. first solve for initial velocity AFTER car was hit then solve for the height of the hill.
A flywheel rotates with an angular speed of 23rev/s. As it is brought to rest with a constant acceleration, it turns 45rev. How much time does it take to stop
Two identical pellet guns are fired simultaneously from the edge of a cliff. These guns impart an initial speed of 32.0 m/s to each pellet. Gun A is fired straight upward, with the pellet going up and then falling back down, eventually hitting the gr..
Consider a homemade capacitor, which consists of 2 8.5" x 11" aluminum foil sheets separated by 10 sheets of paper. Estimate the capacitance of this device. What effect does the paper have on the capacitance
A beaker is filled to the brim with water. A solid object of mass 3.00 kg is lowered into the beaker so the object is fully submerged in the water, find the buoyant force that acts on the submerged object
A thermos contains 140 cm3 of coffee at 85° C. To cool the coffee, you drop two 15-g ice cubes into the thermos. What is the final temperature of the coffee
Two masses 3kg and 5kg are held around a pulley as shown in the figure. When the two masses released, what will be the acceleration of the 5kg mass
What is the fractional change in the period of the pendulum.
A cube of wood having an edge dimension of 22.0 cm and a density of 650 kg/m3 floats on water. What is the distance from the horizontal top surface of the cube to the water level?
you swing a 1.65-kg rock tied to a rope in a vertical circle of radius 0.75 m. when the rock reaches the top its speed
How many bright fringes appear between the first diffraction envelope minima (the first diffraction minima on each side of the central diffraction maximum) for a double slit pattern if λ = 550 nm, the slit spacing is 0.15 mm and the slit width is 50 ..
A flashlight on the bottom of a 4.15 m deep swimming pool sends a ray upward andat an angle so that the ray strikes the surface of the water1.80 m from the point directly abovethe flashlight
A model rocket rises with a constant acceleration to a height of 3.2m, at which point its speed is 26m/s. How much time does it take to reach this height
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