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Problem: A woman weighs 60 kg and has a total foot imprint area of 400cm2. The snow can only handle 0.5 kPa of pressure.
Part A: What is the minimum size of snowshoes needed (imprint area per shoe) for her to walk on snow without sinking.
I need the steps to find the minimum size of snowshoes thanks!
An air conditioner is used to keep the interior of a house at a temperature of 25C while the outside temperature is 34C, what is the mechanical power required to keep the house cool?
A person is observing the motion of a ball on a flat surface and measuring its position in time. What will be the velocity of the ball relatively to each of the two observers
If the velocity of a 3.0 kg body changes from v1= (3.0î , 5.0j) m/s to v2= (0î, 7.0j) m/s in a time interval of 2.0s. What is the impulse delivered to the body
The horsepower rating commonly used for engines indicates the rate at which they can do work. What amount of work does the engine do on each cycle
A thin, uniform rod is hinged at its midpoint. To begin with, one half of the rod is bent upward and is perpendicular to the other half. What is the angular velocity of the straight rod
A point charge Q is located a the point (0,0), a second point charge with charge 2Q is located at the point (1,0); a third pointcharge with charge 3Q is located at the point (0,2).
A strip of paper is pulled along at 20m/s at a right angle to the plane of a .49m long pendulum. The pendulum has a small ink jet device to the bob so that it marks the position of the pendulum on the paper. The bob is held 8.0cm to one side and rele..
A group of particles is traveling in a magnetic field of unknown magnitude and direction. What is the direction of the magnetic field
A copper wire with a cross sectional area of 3.00 mm^2 and a length of 2.00 m at 20.0 degrees C is connected to a 25.0 V battery, what is the resistance at 20.0 degrees C
The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.3 centimeter can be varied sinusoidally between 29.6 T, find the amplitude of the electric field induced by the variation
It takes a force of 65.5N to compress the spring of a toy popgun 0.200m to "load" a 0.190kg ball. With what speed will the ball leave the gun
you push a 2 kg block along a frictionless surface with a constant force. starting from rest the block reaches a final
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