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A rabbit runs in a straight line with a velocity of +1.7 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.63 m/s for an unknown amount of time. The rabbit travels a total distance of 1080 m, and its average speed is 0.87 m/s.
(a) What is the total time the rabbit spends running at 1.7 m/s?
(b) How long does it spend running at 0.63 m/s?
The gas is first cooled at constant volume until it reaches its final pressure. It is then allowed to expand at constant pressure until it reaches its final volume. Find the heat absorbed by the gas during this process
Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 460 to 155 K. Determine the work done by the gas
A box is sliding with a speed of 4.50 m/s on a horizontal surface when, at point P, it encounters a rough section. What is the coefficient of friction at the stopping point
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 2.30 10-6 W/m2 at a distance of 110 m from the explosion. Find the distance from the source at which the int..
A circuit consists of one DC power supply providing 20 V and four resistors R1 = 10 Ohm, R2 = 20 Ohm, R3 = R4 = 40 Ohm. Calculate the total power provided by the power supply
A 2.6k and a 1.8k resistor are connected in parallel and this combination is connected in series with a 1.8k resistor. If each resistor is rated at 1/2W, what is the maximum voltage that can be applied across the whole network.
1.nbspnbspnbspnbspnbsp to analyze a series ac circuit containing an inductor l and a resistor r using ohms law and
A person is standing in an elevator that is stationary. What is the weight of the person when the velocity is 3 m/s upward and the acceleration is 2 m/s^2 downward
Suppose that you wish to fabricate a uniform wire out of 0.850 g of copper. Assume the wire has a resistance R = 0.600 ?, What will be the diameter of the wire
a spherical insulating ball with a radius of 3.0 cm has charges embedded in it with a volume charge density that
A sled is being pulled across a horizontal patch of snow. Friction is negligible. By what percentage would the sled's kinetic energy have increased
What assumptions can be made about the radiation per unit areaof a blackbody? Is there a standard area of black body? What value for emissivity
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