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A race vehicle accelerates uniformly as it leaves the pit area, going from rest to 330 km/h in a semicircular arc with a radius of 200 meter.
Obtain the radial acceleration of the vehicle at this time? m/s2
If the curve were flat, determine what would the coefficient of static friction have to be between the tires and the roadbed to provide this acceleration with no skidding or slipping?
A 3.30-g copper coin at 21.0°C drops 45.0 m to the ground. (Assume the specific heat of copper is 387 J/kg · °C.) determine the coin's final temperature
A certain solid-propellant model rocket engine releases a total of 6000 J of energy as it burns. what fraction of the chemical energy released by the engine
Two 1.4 g spheres are charged equally and placed 2.4 cm apart. When released, obtain the magnitude of the charge on each sphere
Two ants race across a table 56 cm long. One travels at 4.5cm/s and the other at 2cm/s. When the first one crosses the finish line how far behind is the second one.
even the best mirrors absorb or transmit some of the light incident on them. the highest-quality mirrors might reflect
A metal ball with diameter of a half a centimeter and hanging from an insulating thread is charged up with 1020 excess electrons. An initially uncharged identical metal ball hanging from an insulating thread is brought in contact with the first ball,..
0.97 L of 16C water is placed in a refrigerator. What is the refrigerator's coefficient of performance
Consider a uniformly solid hemisphere of radius R and mass M. Determine the center of mass. Determine the principal axes and principal moments of inertia.
a constant horizontal pull of 8.50 n drags a box along a horizontal floor through a distance of 17.4m. a how much does
a ball is released from top of a 98m tall building. At the same instant a second ball is thrown straight up from the ground with an initial speed of 28m/s directly below the point, what are the balls velocities just before the collision
The plate on the back of a certain computer scanner says that the unit draws 0.38A of current from a 120V , 60Hz line. Find the average square of the current
A 15.0 kilogram bucket of water is suspended by a very light rope wrapped around a solid uniform cylinder 0.300 meter in diameter with mass 12.0 kilogram. determine the force exerted on the cylinder by the axle
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