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Sam, whose mass is 61.0 , takes off down a 45.0 high, 11.0 slope on his jet-powered skis. The skis have a thrust of 190. Sam's speed at the bottom is 35.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A square aluminum plate 10.0cm on a side carries an electric charge of -2.88x10^-12C.
A thermos contains 159 cm3 of coffee at 93.7 °C. To cool the coffee, you drop two 13.2-g ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treat the..
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Conclude the volume of each cube.
A roller coaster, travelling with an initial speed of 15 meters per second, decelerates uniformly at -7 meters per second per second to a full stop. How far does the roller coaster travel throughout its deceleration.
What is the acceleration of a 747 jumbo jet, mass 31,000 kg, in takeoff when the thrust for each of its four engines is 28,000 N?
Find out the height from which you would have to drop a ball so that it would have a speed of 9.7 m/s just before it hits the ground.
At what position is the third bead in equilibrium? Can it be in stable equilibrium.
A gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 for the acceleration of gravity.
Find out the moment of inertia of the wheel if the block rises to a height of = 7.70 cm before momentarily coming to rest.
A 1500 car travelling at 26 suddenly runs out of gas while approaching the valley that looks like an inverted hump. 12m at the left where the care runs out of gas and 19 m at the right were it is headed. What will be the car's speed as it coasts into..
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
How much work is done in stretching the spring. Find out the constant acceleration of the car.
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