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A gasoline engine has a power output of 185kW (about 248hp ). Its thermal efficiency is 28.5%.
Part A How much heat must be supplied to the engine per second? (in Joules)
Part B How much heat is discarded by the engine per second? (in Joules)
What is final total energy of the system
Calcium has a work function of 2.8 eV. If light of frequency 4.3 1015 Hz strikes the surface of calcium, what is the energy of the ejected electrons
The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions. Find the pitch of the micrometer
A 1.0 ball hangs from the ceiling of a truck by a 1.0--long string. The back of truck, where you are riding with the ball, has no windows and has been completely soundproofed. The truck travels along an exceedingly smooth test track, and you feel no ..
An airplane has a speed 560 km/h. If a wind begins blowing from the southwest at a speed of 86.3 km/h, what will be the angle of west of south
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
An air puck of mass m1 = 0.30 kg is tied to a string and allowed to revolve in a circle of radius R = 1.0 m on a frictionless horizontal table. The other end of the string passes by a hole in the center of the table, and a mass m2 = 1.20 kg is att..
What is the maximum number of dark fringes that will be produced on both sides of the central maximum if light (? = 619 nm) is incident on a single slit that is 5.27 × 10-6 m wide
A stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
A Dodge Caravan begins rolling from rest. Its tires undergo a constant of angular acceleration of 0.34 rad/s^2, What is angular speed of each tire after 3 revolutions
A particle starts at rest at point p and moves to point q with uniform acceleration, Find the distance between p and q. Also find the acceleration of the particle
Two equally charged particles, held 22.4 cm apart, are released from rest. The initial acceleration of the first particle is observed to be 4.0 m/s2 and that of the second particle is 6.0 m/s2.
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