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A heat engine does 376.88 J of work per cycle while exhausting 648.92 J of heat to the cold reservior. If a Carnot engine operating with a hot reservior temperature of 401.51 oC has the same efficiency, what is the cold reservior temperature in degrees Celsius?
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm . You plan to tighten the plugs by pulling on the end of a 30-cm-long wrench. With what force must you pull
Airplane A , starting from rest with constant acceleration, requires a runway 600{\rm m} long to become airborne.
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20^circ {rm C}? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A transformer with a turns ratio (secondary/primary) of 1:15 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit.
Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
A farm truck moves due north with a constant velocity of 9.5 m/s on a limitless horizontal stretch of road. A boy riding on the back of the truck throws a can of soda upward and catches the projectile at same location on the truck bed, but 16 m fa..
A thermos contains 170 cm3 of coffee at 85° C. To cool the coffee, you drop two 14-g ice cubes into the thermos. What is the final temperature of the coffee
1.76- block at rest on a ramp of height. While the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 12.0 that has a coefficient of kine..
Consider an insulated enclosed volume of 27m^3 containing dry air at 23 degrees celsisus and 980mb, What is the specific volume and mass of the air sample
find the following for the time at which the cart is at position P2, with one-third of the loop in the magnetic field.
FInd the quantities and volume of liquid in each tank and predicting the damage or danger caused in the process.
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