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A 0.500 kg football is thrown toward the east with a speed of15.0 m/s. A stationary receiver catches the ball and brings it torest in .020 s.
(a) What is the impulse delivered to the ball asit's caught?
(b) What is the average force exerted on thereceiver?
A person pushes a 19.6-kg shopping cart at a constant velocity for a distance of 27.3 m on a flat horizontal surface. What is the magnitude of the force that the shopper exerts
suppose the length L of the uniform bar is 3.00 m and its weight is 230 N. Also, let the block's weight W = 350 N and angle ? = 30°. find the maximum possible distance x before the wire breaks
Examine that, for gold, the volume of water displaced will be 51.8 cubic centimeters.
A line in the x-ray spectrum of gold has a wavelength of 18.5 pm(=18.5x10^-12 m) The emitted x-ray photons corresponds to a transition of the gold atom between two stationary states, the upper one of which has the energy -13.7 keV. What is the ene..
In a perfectly inelastic collision, two identical 2kg objects collide head to head. What is the total linear momentum after collision
A satellite has a mass of 110 kg and is located at 1.96 106 m above the surface of Earth, What is the magnitude of the gravitational force on the satellite
Originally, light is unpolarized. It then travels through 3 polarizers: the first with its transmission axis aligned vertical, What is the intensity of light after the third polarizer
A 60.0 resistor is connected in parallel with a 116 resistor. This parallel group is connected in series with a 20.0 resistor. The total combination is connected across a 15.0 V battery.
A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 X 10^5 N/m^2. what is the change in its volume
A diver leaves the end of a 4.0-m-high diving board and strikes the water 1.3 s later, determine magnitude of velocity when she enters the water
1.01 kg rolling hoop with a radius of 9 cm rolls without slipping. If the angular speed of the hoop is 2.09 rad/s , compute rotational kinetic energy of the rolling hoop in Joules
An ideal air conditioner operating on a Carnot cycle absorbes heat Q2 from a house at temperature T2 and discahrges Q1 to the outside at temperature T1, consumng elecrical energy E.
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