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A laser beam passes through a single slit. We observe an interference pattern on a screen 9.03 m away. We find that the distance between the two dark lines (m = 1) on the two sides of the bright central maximum is 3.0 cm. The wavelength of the laser light is 633 nm. Find the width of the slit.
A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.
A 110 ball and a 250 ball are related by a 38--long, massless, rigid rod. The balls rotate about their center of mass at 150 what is the speed of the 110 ball.
In daily life we see many cases of people who are caught misrepresenting things and who soon after that are excused and accepted by their contemporaries. How is this different in science.
Two test charges are located in the x-y plane. If q1 = -3.20 nC and is located at x = 0.00 m, y = 1.160 m and the second test charge has magnitude of q2 = 5.00 nC and is located at x = 1.00 m, y = 0.500 m, calculate the x and y components, Ex and ..
A 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium.
As part of the safety investigation, two 1400 {rm kg} cars travelling at 23 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.7 {rm s} to stop, and (b) car that hits..
A boat moves through a river at 7-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 3.50m/s, how long does it take boat to make a round trip consisting of a 250 m displacement downstream followe..
Physics 1401 problems about rotational motion and angular displacement and angular velocity and angular acceleration about height problems.
A horizontal beam of electrons initially moving at 4.0x10^7 m/s is deflected vertically by the vertical electric feild between oppositely charged parallel plates. the magnitude of the field is 2x10^4N/C. What is the verticle deflection d of the el..
A 65kg trampoline artist jumps vertically upward from the top of a platform that is 2 m above the trampoline with a speed of 4.80m/s.
A particle starts at rest at point p and moves to point q with uniform acceleration, Find the distance between p and q. Also find the acceleration of the particle
A common belief is that a hole in a jet plane can suck a person out, Calculate the fractional difference between this force and the weight wman of a typical adult male (185 lb)
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