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A car weighing 8800 Newton moves along a level highway with a speed of 100 km/h. The power of the engine at this speed is 78 kilowatt. The car encounters a hill inclined at an angle of 9.9o with respect to the horizontal. If there is no change in the power of the engine, and no change in the resistive forces acting on the car, compute the new speed of the car on the hill?
Answer in units of km/h.
In 0.785 second, a 7.45-kilogram ball is pulled through a distance of 3.65 meter on a frictionless horizontal surface, starting from rest. Compute by how much does the spring stretch
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A child on a sled reaches the bottom of a hill with a velocity of 11.0, what is the magnitude of the average retarding force on the sled on the horizontal straightaway
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The space between two concentric conducting spherical shells ofradii b = 1.70 cm and a = 1.20 cm is filled witha substance of dielectric constant κ = 19.0. evaluate the capacitance of the device
The pendulum in a grandfather clock is made of brass and keeps perfect time at 15. How much time is gained or lost in a year if the clock is kept at 29
An electron gun inside a computer monitor sends an electron toward the screen at a speed of 1.20 × 108 m/s. what is the magnitude of its relativistic momentum
002 10.0 points A plane designed for vertical takeoff has a mass of 7.1 × 103 kg. Find the net work done on the plane
One mole of hydrogen gas at 22 C is compressed through an isobatic process to half its original volume
A parallel-plate capacitor is formed from two 2.20 cm multiplied by 2.20 cm electrodes spaced 2.0 mm apart. What is the charge (in nC) on each electrode
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