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A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 24 degrees.If the mirror is now rotated so that the angle of incidence increases by 6.0 degrees, what is the new angle between the incident and reflected beams?Express your answer as a whole number
what is the rate of heat transfer from the plate to the air? If the free stream velocity if the air is doubled and the pressure are increased to 10 atm, what is the rate of heat transfer.
2.00 ×1020electrons flow through a cross section of a 4.60?mm?diameter iron wire in 6.00s, What is the electron drift speed in um/s
A wire of unknown material has a cross-sectional area 7 mm2 and length 15 cm. What is the resistivity of the unknown material
A 100 kg rocket moving radially outward from Earth has a speed of 4 km/s as its engine shuts off 200 km above Earth's surface.
A hollow, conducting sphere with an outer radius of 0.243 m and an inner radius of 0.203 m has a uniform surface charge density of +6.45*10^(-6) C/m^2. What is the new charge density on the outside of the sphere
A 40 kg crate is pulled across a rough horizontal surface with a force of 350 N at an angle of 25o above the horizontal. What is the horizontal acceleration, in m/s2, of the crate
One of the great difficulties in landing on Venus is dealing with the crushing pressure of the atmosphere, How much force would the lander have to withstand on the earth
A laser beam is incident on two slits with a separation of 0.175 mm, and a screen is placed 4.85 m from the slits. estimate the wavelength of the laser light
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
A 1,8000-kg SUV rounds a flay (unbanked) curve with a radius of 90m. the average coefficients of kinetic and static friction between the tire of the car and the road are static coefficient = 0.85, What is the maximun driving speed for the car
A skier of mass 106 kg travels down a frictionless ski trail. If the top of the trail is a height 206 m above the bottom, what is the work done by gravity on the skier
A 0.873-kg block is held up against a ceiling by a pole that makes an angle of 21 degree with respect to the vertical; What minimum force in the pole is necessary to get the block moving
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