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A 22.5-mW laser beam of diameter 1.98 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror.
a mass m is attached to a string of length l and released when the string is horizontal, causing the mass to fall in a circular path. determine the maximum value of the tension force in the string
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
The escape velocity of a bullet from the surface of planet Y is 1791 m/s. Calculate the escape velocity from the surface of the planet X
A thin, light wire is wrapped around the rim of a wheel, If the suspended object moves downward a distance of 3.40m in 1.86s, what is the mass of the wheel
presume you had job offers from two companies that differed only in how often they produced CEOs. Would these differences affect your decision.
The lenses of a particular set of binoculars have a coating with index of refraction n=1.38, and the glass itself has n=1.52. what is the minimum thickness of the coating
define the magnitude of the acceleration of the block. What is the electric ?eld strength.
A 1260 kg car pushes a 2140 kg truck that has a dead battery. When the driver steps on the accelerator, find the magnitude of the force that the car exerts on the truck?
What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary
A refrigerator does 18 kj of work while moving 115 kg of thermal energy from inside the refrigerator. What is its coefficient of performance
An object is located 19.0 cm in front of a convex mirror, the image being 7.73 cm behind the mirror. How far in front of the mirror is the second object located
A 48.9 kg girl is standing on a 129 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is the velocity of the plank relative to the ice surface
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