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Question: A car starts from rest and moves around a circular track of radius 30.0 m. Its speed increases at the constant rate of 0.500 m/s2
(a) What is the magnitude of its net linear acceleration 15.0 s later?
(b) What angle does this net acceleration vector make with the car's velocity at this time?
You have a converging lens with a focal length of 0.85 m, and wish to construct a refracting telescope with an angular magnification of âˆ'45. what should be the focal length of the second lens
The end milling cutter has two teeth and its diameter = 15.0mm. Find out the feed rate and time to complete the cut.
A 1.5 mm-diameter, 40 cm -long copper wire carries a 4.5 A current. What is the potential difference between the ends of the wire
What is the charge-conjugate reaction to K- + p ----> K-0 + n? Can a K-, p system be an eigenstate of the charge conjugation operator?
On a clear day at a certain location, a 123-V/m vertical electric field exists near the Earth's surface. Compute the energy density of the magnetic field
A gold prospector finds a solid rock that is composed solely of quartz and gold. Find the mass of the gold in the rock
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.73 105 Pa and the pipe radius is 2.80 cm. Find the speed of flow in the lower section
A block with mass m = 18.7 kg slides down an inclined plane of slope angle 18.4o with a constant velocity. How far up the incline will the block move before coming to rest
A roller-coaster car may be represented by a block of mass 50.0kg . The car is released from rest at a height h = 57.0m above the ground and slides along a frictionless track. The car encounters a loop of radius R = 19.0m at ground level, as shown..
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal, Find the car's position relative to the base of the cliff when the car lands in the ocean
Two Polaroids are aligned so that the light passing through them is a maximum. At what angle should one of them be placed so that the intensity is subsequently reduced by half?
In being launched from rest it moves through a distance of 87.00 m and has a kinetic energy of 4.5*10^7 J at lift-off. What is the work done on the jet by catapult.
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