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There is a 'race' between a solid cylinder and a hollow cylinder over a distance of 2 m along a slope angled at π/6 with the horizontal. Both have a mass 1 kg and radius 30 cm. In case of the hollow cylinder, the inner radius is 20 cm. Which one will win? Calculate the times taken by each to reach the bottom. Do the masses of the cylinder matter?
An object is located a distance do = 5.8 cm in front of a concave mirror with a radius of curvature r = 22.2 cm. Write an expression for the image distance
A jet pilot takes his aircraft in a vertical loop (a) If the jet is moving at a speed of 1200 km/h at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed..
a meter stick balances horizontally on a knife-edge at the 50.0 cm mark. with three 6.30 g coins stacked over the 21.4
Two 2.6cm -diameter disks face each other, 3.0mm apart. They are charged to ±20nC. What is the electric field between the disks
Calculate the pitch of a single-start square-thread of a jack which will just allow the load to fall uniformly under its own weight
The largest wavelength of light that will induce a photoelectric effect in potassium is 564nm. What is the kenetic energy of the ejected electron
Iodine molecules dissociates into atoms after absorbing light of 4500 A.If one quantum of radiation is absorbed by each molecule, Find the KE of the iodine atoms
A block with mass m1=2.00 kg rests on a frictionless table. It is connected with a light string over a pulley to a hanging block of mass m2=4.00 kg. What is the angular speed of the pulley at this time
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture
the 100- dash can be run by the best sprinters in 10.0. a 62- sprinter accelerates uniformly for the first 43 to reach
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
In what ways is the transducer in medical ultrasound a 'speaker' & 'microphone?', What is the broadest definition of a 'transducer?'
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