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1. A tire having a volume of 3 ft3 contains air at a gage pressure of 26 psi and a temperature of 70 °F. Determine the density of the air and the weight of the air contained in the tire.
2. A compressed air tank contains 5 kg of air at a temperature of 80 °C. A gage on the tank reads 300 kPa. Determine the volume of the tank.
Bar BDE is attached to two links AB and CD. Knowing that at the instant shown link AB rotates with a constant angular velocity of 3 rad/s clockwise, determine the acceleration
Show that the Planck radiation law and the Raleigh-Jeans law become identical if the size of the quantum E=hv is allowed to vanish or if the temperature becomes very high.
A particle executes simple harmonic motion with amplitude of 9 centimeter. Find at what positions does its speed equal one fifth of its maximum speed
A race car is traveling at a constant speed around a circular track. What happens to the centripetal acceleration of the car if its speed is halved?
A uniform magneticfield of magnitude 1.52 T acts in the positive z direction. Find the magnitude of the force exerted by the field on a proton if the proton’s velocity is (2.3 Mm/s) ˆi.
a human hair is placed between the ends of two microscope slides forming a thin wedge of air between the slides as
Two protons, moving in a plane perpendicular to a uniform 510 G magnetic field, How much time elapses before they collide again
A 0.145 kg baseball pitched at 42.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. calculate the average force between the ball and bat
The membrane of the axon of a nerve cell is a thin cylindrical shell of radius r = 10-5 m, length L = 0.09 m, and thickness d = 10-8 m. The membrane has a positive chargeon one side and a negative charge on the other, and acts as aparallel-plate cap..
A sign for the local cheese shop is hung by two strings of length 0.25 meters at either end from a 4 meter long pole with a mass of 200 kg. what is the coefficient of static friction between the wall and the pole
1. explain in detail how you found the object and image distances from the position data you recorded.2. draw careful
What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 515 turns, its secondary 8 turns, and the input voltage is 124 V, What is the power input
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