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a. An 840 kg car needs to round a level curve with a radius of 23m.The driver wants to proceed at 56 kph. How much total friction force is needed between the tires and the pavement to keep the car on the road.Use RISERS,in other words, sketch and equate.
b. How much work does the friction force do on the car?
We know that a spherical charged particle of will have an external electric field of E = k q/r2, where k = 8.988×109N·m2·C-2 is the Coulomb constant, q is the charge, and r is the distance from the center of the spherical particle.
A man sitting inside the waiting room of a train station is looking out of a window at the train tracks, For how long time does he sees the train
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
Calculate the fuel utilization and infinite multiplication factor for a fast reactor consisting of a mixture of liquid sodium and plutonium
explain the magnitude of the centripetal acceleration. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
When the afternoon Sun reaches an angle of 27.0° above the horizon, sunlight ceases to illuminate the bottom of the tank. Evaluate how deep is the tank?
If the slope is not frictionless so that the skier has a final velocity of 6 m/s, compute the force of friction (assuming it is constant), and the coefficient of kinetic friction.
A blackened, solid copper sphere that has a radius equal to 4.5 cm hangs in an evacuated enclosure whose walls have a temperature of 23°C. find the initial rate at which its temperature changes
A beam of ultraviolet radiation, with frequency of 2.56×1015 Hz is directed at a clean metal surface. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation
You are working on the analysis of rocks brought back from the Moon, What is the density of the rock
Even as exploring a sunken ocean liner, principal researcher found the absolute pressure on the robot observation submarine at the level of the ship to be about 413 atmospheres. The density of seawater is 1025kg/m^3.
Net average force using the concepts of Newton’s second law.
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