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A 870.0 kg car travelling on a level road at 27.0 m/s(60.5 mi/hr) can stop, locking its wheels, in a distance of 61.0 m(200.1 ft). Find the size of the horizontal force which the carapplies on the road while stopping. Find the stopping distance of that same car when it is traveling up a 20.7deg slope, and it locks its wheels while traveling at 33.5 m/s(75.0 mi/hr). Assume that mk does not depend on the speed.
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec^2 for 10 s. what is its final linear velocity
A particular heat engine has a mechanical power output of4.80kW and an efficiency of26.0%. The engine expels8.90103J of exhaust energy in each cycle. Find the energy taken in during each cycle.
A square coil, enclosing an area with sides 2.7 cm long, is wrapped with 2,461 turns of wire. What average voltage is induced in the coil
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
a manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down
The "hang time" of a punt is measured to be 4.50 s. If the ball was kicked at an angle of 63 degrees above the horizontal and was caught at the same level from which it was kicked, what was its initial speed?
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, What is the total horizontal force on the driver
Two converging lenses are separated by 24.20 cm. The focal length of each lens is 12.40 cm. Determine the final image distance relative to the lens on the right
If the police car accelerates uniformly at 3.00m/s^2 and overtakes the speeder after accelerating for 9.00 s, illustrate what was the speeder's speed?
Suppose the pressure of the gas equals to p=aV^2, where a is constant. Find the heat transfer to the gas during this process if this is a reversible change.
In very cold weather, a significant mechanism for heat loss by the human body is energy expended in warming the air taken into the lungs with each breath. How much heat is lost per hour if the respiration rate is 19.0 breaths per minute
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