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Air in a piston-cylinder device is compressed from 25°C and 100 kPa to 500 kPa during a polytropic process for which Pv1.3 = constant. The air temperature after compression is
A force of 29.73 N is applied tangentially to a wheel of radius 0.34 m. This force causes an angular acceleration of 1.20 rad/s2. What is the rotational inertia of the wheel
A 0.157kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time.
A bullet mass 7.1 grams is fired from a gun with a muzzle velocity of 1,078 mph. It embeds itself 77.3 cm in a wood post. What was the average force on the bullet in slowing it to a stop?
An electron is moving at a speed of 1.1 multiply.gif 104 m/s in a circular path of radius of 1.9 cm inside a solenoid. Find the strength of the magnetic field inside the solenoid
A ball of mass 0.200 kg has a velocity of 1.58 m/s; a ball of mass 0.310 kg has a velocity of -0.405 m/s.They meet in a head-on elastic collision. Find the velocity of their center of mass before and after the collision
A radio-frequency EM plane wave propagates in the x direction. Your radio gets the best reception when its antenna is parallel to the y-z plane, at a 30° angle to the y axis. Sketch this situation, and indicate the direction of the E and B vectors..
A person is making homemade ice cream. She exerts a force of magnitude 22 N on the free end of the crank handle, and this end moves in a circular path of radius 0.28 m. The force is always applied parallel to the motion of the handle. If the handl..
A solid steel cylinder is standing (on one of its ends) vertically on the floor. The length of the cylinder is 3.5 m and its radius is 64 cm. What is the weight of the object
Two wheels are free to spin about the same axle. The moment of inertia of wheel 1 is 2.16 kg m2, and the moment of inertia of wheel 2 is 1.02 kg m2. What is the magnitude of the angular momentum of the two disk system in this initial position
A 1.80 kg block slides on a frictionless horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.0 cm before coming to rest. Illustrate what is the force constant of the spring?
The electric field between the plates of a parallel-plate capacitor is horizontal, uniform and has a magnitude E. What is the mass of the object
An 81 kg running back moving at 4.0 m/s makes a perfectly inelastic collision with a 105 kg linebacker who is initially at rest. What is the speed of the players just after their collision
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