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A car speeds along the curved exit ramp of a freeway. The radius ofthe curve is 86 m. A 68 kg passenger holds the arm rest of a car door witha 220 N force to keep from sliding across the front seat of thecar. (Assume the exit ramp is not banked and ignore friction withthe car seat.) What is the car's speed?
A solid cylinder is released from rest and rolls without slipping down a 4.0 degree incline. what will the timer read
The crankshaft in a race car goes from rest to 3000 rpm in 2.0seconds. What is the crankshafts angular acceleration?
the three displacement vectors in the drawing have magnitudes of a 3.73 m b 4.62 m and c 5.20 m. find the resultant
a gold wire and a tungsten wire of the same length have the same resistance. what is the ratio of the diameter of the
The frequency of an electromagnetic wave is f = 3.75 x 1014 Hz, What is the index of refraction n of the material
When blowing across a narrow mouth glass, the less wter in theglass the deeper the frequency heard, but if the top of the glessis rubbed to produce the less water, the higher frequency, why?
The eyepiece of a compound microscope has a focal length of 3.10 cm, and the objective lens has f = 0.730 cm. Calculate the total magnification
A 500 gram mass oscillates with an amplitude 9.0cm and a frequency of 1.8 Hz. Determine its MAXIMUM speed and acceleration, and its speed when it is 4cm from its equilibrium position.
The position vector of a particle of mass 1.80 kg as a function of time is given by r = (6.00i + 4.60t j ), where r is in meters and t is in seconds. Determine the angular momentum of the particle about the origin as a function of time. Answer should..
A force of 315 N is applied horizontally to a wooden crate in order to displac eit 35.0 m accorss a level surface at a constant velocity. As a result of this work the crate's internal energy is increased by an amount equal to 14 percent of the cra..
How does reaction time affect emergency situations, like braking in a car? Estimate the distance a car travels at 100km/hr due to your reaction time in braking
A spring hanging from the ceiling has an unstretched length of 80cm. What is the amplitude of the resulting oscillation
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