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A particular engine has a power output of 6.00 kW and an efficiency of 21.0%. Assume the engineexpels 8500 J of energy in each cycle.
(a) Find the energy absorbed in each cycle.
kJ
(b) Find the time required to complete each cycle.
s
a train has a length of 82 m and starts from rest with a constant acceleration at time t 0 s. at this instant a car
A 3.66-F and a 6.96-F capacitor are connected in series acrossa 30.0-V battery. A 7.49-F capacitor is then connected in parallelacross the 3.66-F capacitor. Determine the voltage across the 7.49-F capacitor.
A coil of wire with a resistance of 0.45 ohm has a self-inductance of 0.083 H. If a 3.0-V battery is connect across the ends of the coil, what is the stored energy in the inductor
A particle moves along the x' axis of frame S' with velocity 0.40c. Frame S' moves with velocity 0.60c with respect to frame S. What is the velocity of the particle with respect to frame S
Consider a 10.0 kilogram block of copper, specific heat = 387 J/kg*C. The initial temperature of the copper is 25*C, obtain the final temperature of the block
Three point charges, -6.05 10-9 C, -9.40 10-9 C, and +7.25 10-9 C, are fixed at different positions on a circle. What is the radius of the circle
The temperature of the glass surface of a 30 W light bulb is 75°C when the room temperature is 10°C. Estimate the temperature of a 150 W light bulb with a glass bulb the same size. Consider only radiation, and assume that 90% of energy is emitted as ..
How much does the internal energy (in joules) of a block of metal change (a) when 30 cal of heat is added to it and (b) when 60 cal of heat is taken away from it? Assume the metal's volume to remain constant.
An artificial satellite circling the Earth completes each orbit in 128 minutes. (The radius of the Earth is 6.38 106 m. The mass of the Earth is 5.98 1024 kg.), Find the altitude of the satellite
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.00 cm thick flat piece of crown glass and back to air again. At what angles do the two colors emerge from the glass
You drive on Interstate 10 from San Antonio to Houston, half the time at 50 km/h and the other half at 88 km/h. On the way back you travel half the distance at 50 km/h and the other half at 88 km/h. (a) What is your average speed from San Antonio to ..
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