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On a snowy day with the temperature near the freezing point, the coefficient of static friction between a car's tires and an icy road is 0.08. What is the maximum incline that this four-wheel-drive vehicle can climb with zero acceleration?
A hot wheels track has a spring loaded launcher. A 100g car is pushed into the launcher, which compresses the spring by 2cm. The cars initial velocity after launching is 3m/s.
It's nighttime, and you've dropped your goggles into a 2.8m deep swimming pool. If you hold a laser pointer 0.90m above the edge of the pool, How far are the goggles from the edge of the pool
A vibrating string has a fundamental frequency of 225 Hz. What is the new value of the fundamental frequency
A car parked in the sun absorbs energy at a rate of 540 watts per square meter of surface area. The car reaches a temperature at which it radiates energy at this same rate. Treating the car as a perfect radiator (e = 1), find the temperature.
a basketball player grabbing a rebound jumps 79cm vertically. how much total time (ascent and descent) does the player spend
A blue ball is thrown upward with an initial speed of 23.2 m/s, from a height of 0.7 meters above the ground. 2.8 seconds after the blue ball is thrown, What is the speed of the blue ball when it reaches its maximum height
question a balloon is rubbed with a wool glove. the two items attract one another with a force of strength 0.6 n when
Suppose a 61 kg boy and a 43 kg girl use a mass less rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
A pulsed proton beam is fireat a target each last 45.0ns and there 3.00 X 10^9 protons in each pulse, What is the average pressure on the beam spot during the pulse if the protons are absorbed by the target
A major leaguer hits a baseball so that it leaves the bat at a speed of 30.0 m/s and at an angle of 36.9o above the horizontal. Calculate the horizontal and vertical components of the baseball's velocity
A person of mass 75 stands at the center of a rotating merry-go-round platform of radius 2.8 and moment of inertia 920. The platform rotates without friction with angular velocity 1.78. The person walks radially to the edge of the platform. Compute a..
An airplane having a mass of 10000kg and moving at 200mph is at an altitude of 15000m. What are the airplanes kinetic and potential energy
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