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Question: Forces with magnitude of 125 newtons and 300 newtons act on a hook. the angle between the two forces is 45 degrees. find the direction and magnitude of the resultant of these forces.
The maximum speed of the photoelectrons from a photoelectric experiment with a silver surface (work function: 4.73 eV) is found to be 3.00× 106 m/s
A 6.0 cm diameter horizontal pipe gradually narrows to 4.0 cm.When water flows through this pipe at a certain rate, What is the volume rate of flow
q1. if the weight of a room full of water is so great why dont the first floors of houses built over basements all
Water has a latent heat of vaporization of 2257 kJ/kg. Steam is used to heat a copper tube of 0.264 kg from 20 degrees C to 100 degrees C. All the heating is due to the heat released from the steam condensing.
In the Bohr model of hydrogen, the electron moves in a circular orbit around the nucleus. Determine the angular speed of the electron
When she gets off the ride, she uploads the scale readings to a computer and creates a graph of scale reading versus time. Note that graph has a minimum value of 519 rm N and a maximum value of 666 rm N.
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 220 m/s. Find the emf induced between the wing tips
A 0.70 kg ball is moving horizontally with a speed of 9.7 m/s when it strikes a vertical wall. What is the magnitude of the change in linear momentum of the ball
When a 21.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. determine the magnitude of the larger of the two resistance
A transformer has 400 primary turns and 1510 secondary turns. The input voltage is 120 V and the output current is 16.0 A. Assume 100 percent efficiency. What is the output voltage
a 1cm-tall object placed 20cm front of a concave mirror produces a virtual image that is twice the height of the object. what is the length of the mirror
A gaussian sphere of radius 4.00cm is centered on a ball that has a radius of 1.00cm and a uniform charge distribution. The net electric flux through the surface of the guassian surface is +5.60x10^4Nm^2/C. What is the electric potential 12 cm from t..
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