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A rifle fires a bullet of mass 0.0350 kg which leaves the barrel with a positive velocity of 304 m/s. The mass of the rifle and bullet is 3.31 kg. At what velocity does the rifle recoil?
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 57.0 kg and a radius R = 0.625..
Minh pulls a 10-kg crate on a rough inclined ramp with a cable tension F, directed towards the top and parallel to the plane. The angle of inclination of the plane is 30 and the coefficients of static and kinetic friction between the block and the in..
Electrons accelerated by a potential difference of 13.22 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. Calculate the wavelength of light emitted with the..
A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. What is the block's final kinetic energy
Two wheels have the same mass and radius of 4.8 kg and 0.54 m, respectively. One has (a) the shape of a hoop and the other (b) the shape of a solid disk. The wheels start from rest and have a constant angular acceleration with respect to a rotational..
Three capacitors C1 = 2.5 µF, C2 = 7.5 µF, and C3 = 13 µF are connected as shown with a battery of voltage V = 18 V. (When entering units, use micro for the metric system prefix µ.) (a) What is the equivalent capacitance of this circuit? (b) What is ..
A charge of 3.45 µC is uniformly distributed on a ring of radius 9.5 cm. Find the electric field strength on the axis at the following locations. (a) 1.2 cm from the center of the ring N/C (b) 3.1 cm from the center of the ring N/C (c) 4.0 m from ..
The electric field lines on the left have twice the separation of those on the right. If the magnitude of field at point-A is 60 V/m, what is the magnitude of the field at point-B.
A circular saw blade of diameter 0.175m starts from rest. In a time interval of 6.05s it accelerates with constant angular acceleration to an angular velocity of 130 rad/s. Find the angle through which the blade has turned
At 12°C, a brass cube has an edge length of 25 cm. What is the increase in the cube's surface area when it is heated from 12°C to 97°C
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. how much time elapsed on the ship
A 2500 kg truck moving at 10 m/s strikes a car waiting at a traffic light, hooking bumpers. What was the mass of the struck car
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