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a 19.2 kg sled is being pulled across a horizontal surface at a constant velocity. the pulling force has a magnitude of 79.2 n and is directed at an angle of 24 above the horizontal. determine the coefficient of kinetic friction?
What stage of the scientific method would someone be at if they make a prediction that drinking alcohol will make people more violent throughout a sporting event.
A stationary whistle emits a sound of 188Hz. If passengers in a car hear the whistle with a frequency of 198 Hz, how fast was the car moving? Make use of 340 m/s for the sound velocity.
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
Define the velocity and the potential energy of an object briefly.
Water flows straight down from an open faucet. The cross-sectional area of the faucet is 2.00 x10-4 m2, and the speed of the water is 0.87m/s as it leaves the faucet.
A 2 ton automobile moving with a speed of 60 mph collides with a 10 ton truck at an intersection. find the velocity of the two after the collision
What is its angular displacement in this time.
A force of k is applied to an object for a small fraction of a second, t_k, less than the duration of one frame, t_f. Our simulation doesn't support applying forces for less than an entire frame, so if we wanted to simulate the effect of force k over..
A.) What is the total negative charge, in coulombs, of all the electrons in a small 1.00 sphere of carbon? One mole of is 12.0 , and each atom contains 6.00and 6.00 electrons.
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 59-m-diameter, What is the car's speed at the top
A cube of ice is taken from the freezer at -8.4 and placed in a 104 aluminium calorimeter filled with 322 of water at room temperature of 20. The final situation is observed to be all water at 17.
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.
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