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A pot with a steel bottom 8.50mm thick rests on a hot stove. The area of the bottom of the pot is 0.150m^2. The water inside the pot is at 100 degrees C, and 0.390kg are evaporated every 3.00 min. Find the temperature of the lower surface of the pot, which is in contact with the stove?
A power supply with internal resistance of 8 ? applies a voltage of 26 V. If a load resistor of 52 ? is in series with the power supply, what is the current going through the circuit
question1a 6.8 g lead bullet travelling at 520 ms is stopped by a large tree. if half kinetic energy of the bullet is
A vertical solid steel post 25 cm in diameter and 3.50 m long is required to support a load of 7100 kg. You can ignore the weight of the post. What is the strain in the post
An astronaut weighs 185 lb on earth. What is her weight on the moon, where the acceleration due to gravity is 5.28 ft/s2
A uniform solid cylinder of mass M and radius R is at rest on a slab of mass m, which in turn rests on a horizontal, Find the angular acceleration of the cylinder in terms of F, M, R, and m
A car of mass M = 1100 kg traveling at 45 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
If the mass of the child and sled is 40 {rm kg}, what average force do you need to apply to stop the sled? Use the concepts of impulse and momentum.
Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces
Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block.
Two point charges are separated by 6 cm. THe attractive force between them is 20N. What is force between them when they are separated by 9 cm? What is the equation used to arrive at this reply?
An airplane needs to reach a velocity of 407 km/h to take off. On a 2000m runway, what is the least acceleration necessary for the plane to take flight.
What is the net force on an object with a force of 0.99N at a 25 degree angle, force of 1.03N at a 195 degree angle
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