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A charge = 5.00 is placed at the origin of an xy-coordinate system, and a charge = -4.50 is placed on the positive axis at 4.00 . If a third charge = 3.50 is now placed at the point 4.00 , 3.00 find the and components of the total force exerted on this charge by the other two charges. Then find the direction angle of this force.
X-rays are scattered from a target at an angle of 56.0 degrees with the direction of the incident beam. Find the wavelength shift of the scattered x-rays
Four equal charges of +2.5×10-6 C are placed on the corners of one face of a cube of edge length 15.0 cm. A charge of -2.5×10-6 C is placed at the center of the cube. What is the magnitude of the force on the charge at the center of the cube?
If the rectangular barge is 3.50m by 24.0m and sits 0.900m deep in the harbor, how deep will it sit in the river
Two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the wave function y = (2) sin(0.5x) cos(500t), Determine the wavelength of the interfering waves
A 2.90mW helium neon laser emits a visible laser beam with a wavelength of 635nm. How many photons are emitted per second
The amount of 14C in an old, isolated sample of vegetation is 0.757 that expected from a present day sample with an equivalent carbon content, Calculate the age of the old sample in years
A soccer player kicks the ball toward a goal that is 23.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
The flywheel of an old steam engine is a solid homogeneous metal disk of mass M = 129 kg and radius R = 85.3 cm. How long does it take for the flywheel to come to rest
A star of radius 7.8 × 105 km rotates about its axis with a period of 66 days. Estimate the period of the neutron star
Calculate torques about an axis
DEFINE the terms " Cofficient of Static Friction" and " Cofficient of Kinetic Friction, The force probe reading will represent the frictional force
An arrangement of two pulleys, as shown in the figure, is used to lift a 50.0-kg mass a distance of 4.70 m above the starting point. What is the change in the potential energy of the weight
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