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A gasoline engine takes in 1.61 X 10^4 J of heat and delivers 3700 J of work per cycle. The heat is obtained with burning gasoline with a heat of combustion of 4.60X10^4 J/g. a) What is the thermal efficiency? b) How much heat is discarded in each cycle? c) What mass of fuel is burned in each cycle? d) If the engines go during 60.0 cycles per second, what is its power output in kilowatt? In Horse power?
A double-slit interference experiment is performed by light from a laser. The separation among the slits is 0.53 mm, and the first-order maximum of the interference pattern is at an angle of 0.059? What is the wavelength of the laser light?
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
Calculate the ratio of earth's rotational kinetic energy due to its rotation around its axis and the translational kinetic energy due to its motion around the sun. Consider the earth to be a homogeneous solid sphere.
Two resistors of 60Ω and 40Ω are connected in a series closed circuit with a 120 V source. Evaluate the voltage drop across each resistor
A hot air balloon is rising straight up with a speed of 6.0 m/s. A ballast bag is released from rest relative to the balloon when it is 9.54 m above the ground. How much time elapses before the ballast bag hits ground.
an 8.70kg block slides with an initial speed of 1.84 ms down a ramp inclined at an angle of 28.2 with the horizontal.
A wedge of mass M and angle a slides freely on a horizontal plane. A particle of mass m moves freely on the wedge. Determine the motion of the particle as well as that of the wedge.
After sliding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.4 m/s. Miranda runs after her at a velocity of +4.4 m/s and hops on the inner tube. How fast do the two of them slide ac..
Calculate the orbital period of Pluto (in yr) from knowledge of G, the mass of the sun (M = 1.99×1030 kg), and the orbital radius of Pluto of 3.96×101A.U. Given that the gravitational force is 5.64×1016 N
In each of the four scenarios to the right, a large bat lets out a short burst of ultrasonic sound, which the smaller bat hears a moment later. If the large bat flies at 14.60 m/s and the small bat flies at 4.520 m/s, rank the frequency that the s..
a train moving with constant velocity travels 170 m north in 12 s and an undetermined distance to the west. the speed
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, Express the planet's mass in terms of the earth's mass
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