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Cars A and B are traveling around the circular race track. At the instant shown, A has a speed of 78ft/s and is increasing its speed at the rate of 15 ft / s2, whereas B has a speed of 117ft/s and is decreasing its speed at 25 ft / s2.
Determine the relative acceleration of car A with respect to car B at this instant.
Determine the angle ?a of aA/B (counterclockwise from the positive x axis).
What greatest height above the break free point does it rise? How high is the break free point above ground.
A car of mass 2200 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and the truck's velocity just before the collision was..
The coefficient of static friction between the 3000 lb car's tires and the road is 0.5. Determine the steepest grade the car can drive up at constant speed if car has (a) rear=wheel drive; (b) front-wheel drive; (c) four wheel drive.
What are the two types of errors one encounters in experiments? Give an example of each, What does standard deviation of measured data tell you
A swimming pool has dimensions 32 m 9 m and a flat bottom. The pool is filled to a depth of 1.50m with fresh water. What is the force exerted by water on the bottom.
Imagine two Einstein solids in thermal contact. A has 300 atoms and B has 200 atoms, and qtotal = 100, what is the equilibrium macrostate
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
What are the magnitudes of the (a) impulse and (b) average force on the passenger during the collision? If the passenger were to jump upward with a speed of 6.00 m/s relative to the cab floor just before the cab hits the bottom of the shaft, what ..
A 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval..
A 34.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. What is the final speed of the crate after being pulled these 21.0 m
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
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