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Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.7° below the horizontal. The brakes fail, and the car rolls from rest down the incline for a distance of 27.1 m to the edge of the cliff, which is 62.9 m above the ocean, and, unfortunately, continues over the edge and lands in the ocean.
a) Find the car's position relative to the base of the cliff when the car lands in the ocean.
b) Find the length of time the car is in the air.
A girl with a mass of 60kg springs from a trampoline with an initial upward velocity of 8.0 m/s. what is the maximum height that the girl (with box) reaches
The starter motor of a car engine draws a current of 180A from the battery. How far does an electron travel along the wire while the starter motor is on
A proton is projected in the positive x direction into a region of uniform electric field E = -5.50 105 i N/C at t = 0. Determine the time interval over which the proton comes to rest
The rms speed of the molecules in 1.8 of hydrogen gas is 1600 m/s. What is total translational kinetic energy of the gas molecules.
The coil in the figure carries current i = 1.70 A in the direction indicated, is parallel to an xz plane, What is the magnetic torque (in unit-vector notation) on the coil
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 62.12 diopters, How far is the blackboard from her eyes
Calculate torques about an axis
At one instant a bicyclist is 49.0 m due east of a park's flagpole, going due south with a speed of 14m/s. Then 35.0 s later, the cyclist is 49.0 m due north of the flagpole, going due east with a speed of 14m/s.
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 1.55 hours. What is density of the planet
Consider the following two-step process. Heat is allowed to flow out of an ideal gas at constant volume so that its pressure drops from P1 = 2.5atm to P2 = 1.3atm, Calculate the total heat flow into or out of the gas
An RL circuit with L = 3 H and an RC circuit with C = 5 µF have the same time constant, What is this common time constant
The work function for zinc is 4.31 eV. Ultraviolet light of wavelength 144 nm is incident on the clean surface of a zinc sample. What is the photon energy of the ultraviolet light
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