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A particular heat engine has a useful power outputof 5.30 kW and an efficiencyof 24.0%.The engine expels 6300 J ofexhaust energy in each cycle.
a) Find the energy taken in during each cycle.b) Find the time interval for each cycle
A rectangular loop of wire is placed next to a straight wire, as shown in the (Figure 1) . There is a current ofI = 4.5A in both wires
A pitcher throws a 0.140 kg baseball, and it approaches the bat at a speed of 30.0 m/s. The bat does Wnc = 60.0 J of work on the ball in hitting it. determine the speed of the ball after the ball leaves the bat
Blocks of 1.0, 2.0, and 3.0 kg are lined up on a frictionless table with a 12 N force applied to the leftmost block
The box of a well-known breakfast cereal states that one ounce of the cereal contains 128 Calories (1 food Calorie = 4186 J). what is the heaviest barbell that could be lifted a distance of 2.08 m
A 0.38 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8kg of water at 21 °C. What is the final equilibrium temperature (in °C)? Avoid any heat transfer to or from the surroundings. Do not enter units.
Two capacitors (C1 = 6.00 µF and C2 = 11.0 µF) are now connected in series and to a 9.00-V battery, Find the charge on each capacitor
Find out total vector displacement
At very low termperatures the molar specific heat of many solids is approximately Csubv=AT^3..For alymninum, A=3,15 times 10^-5. how do we know that this is constant volume
An automobile has mass 990 kg (including passengers). It is pushed down by 1.9 cm for every additional 100 kg of passengers. Find the amplitude of oscillation of the automobile
q1. an electron starts from rest 75.5 cm from a fixed point charge with q -0.150 microc. how fast will the electron be
A particle moving along the x xis in simple harmonic motion startsequilibrium position, the origin at t=0 and moves to the right. Find the maximum particle acceleration of the particle
A worker pushed a 65.0-kg block 10.0 m along a level floor at a constant speed with a force directed 39.0° below the horizontal. how much work did the worker do on the block
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