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Monochromatic light (λ = 570 nm) passes through two slits and onto a screen 4.0 m away.
a) If two nearby bright fringes are separated with 14 mm, what is the slit spacing?
b) If the slit spacing is reduced by a factor of four, what is the new distance among bright fringes?
A concave shaving mirror has a radius of curvature of +39.8cm. It is positioned so that the (upright) image of a man's face is 3.48 times the size of the face. How far is the mirror from the face?
A 3-kilogram block slides along on a frictionless surface at 6 m/s north and strikes an obstacle that exerts an impulse on the block of 9 N-s to the south
An object is located 15.3 cm in front of a convex mirror, the image being 6.82 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location.
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.57 g and a charge of magnitude q. Find the magnitude of the electric force acting on the ball
How is the voltage divided among resistors in parallel and What happens to resistance when resistors are connected in parallel
An old covered bridge across a country stream weighs 89,200N. A large truck stalls 4m from one end of the 9.00-m bridge. What weight must each of the piers support
A projectile is fired at an angle of 45° with initial kinetic energy E0. At the top of its trajectory, What is the speed of the first fragment
a mass of 20 kg is attached to a spring whose spring constant is 2000 nm. the mass is displaced and released. the mass
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
a ball is thrown horizontally from a high cliff with a velocity of 5 ms. ignoring the slowing of the ball due to air
A spring-loaded dart gun is utilized to shoot a dart straight up into the air, and the dart reaches a maximum height of 24 meters. The same dart is shot up a second time from the similar gun, however this time the spring is compressed only half as fa..
A wave travels along a stretched string. The vertical distance from crest to trough for this wave is 15 centimeter, Find what are the wavelength and the amplitude of this wave
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