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Standing 2.0 m in front of a small vertical mirror, you see the reflection of your belt buckle, which is 0.70 m below your eyes. What is the vertical location of the mirror relative to the level of your eyes and what angle do your eyes make with the horizontal when you look at the buckle? If you now move backward until you are 6.0 m from the mirror, will you see the buckle, or will you see a point on your body that is above or below the buckle? explain (please include equations).
A certain laser outputs pure blue light (photon energy 3.1 eV) with power 400 milliwatts (0.4watts). How many photons per second does this laser emit
A shop sign weighing 230 N is supported by a uniform 115 N beam as shown in Fig. 9-54. find the vertical forces exerted by the hinge on the beam
A 4.40-g lead bullet at 32.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, What quantity of ice melts
german physicist werner heisenberg related the uncertainity of an objects position triangle x to the uncertainity in
The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically r=0.002. How far will the locomotive move during this time
Someone standing at the edge of a cliff throws one ball straight up and another ball straight down at the same initial speed. Neglecting air resistance, the ball to hit the ground below the cliff by the greater speed will be the one thrown downward.
The mass of a newborn baby's brain has been found to increase by about 1.6 mg per minute. How much does the brain's mass increase in one day
A string is wound around the edge of a solid 1.60 kilogram disk with a 0.130 meter radius. find what is the magnitude of its final angular velocity
Find the terminal speed of man falling through Earth's atmosphere, ignoring linear drag and focusing on quadratic drag, who weighs 85 kg and has body shape of a rectangle 0.4 m by1.8 m. [Assume the "rectangle" falls face-first withoutturning].
A 599 Hz sound wave travels through a substance. What is the speed of sound in the substance
A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down.
The liquid of density p in a horizontal pipe of diameter d1 before a constriction is at pressure P1 and flowing with the speed v1
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