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A cubical block of ice 56.0 cm on an edge is placed on a level floor over a speck of dust. Locate the image of the speck, when viewed from directly above, if the index of refraction of ice is 1.309.
How many cm below the upper surface of the ice?
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.20 m/s2 for 4.05 s, making straight skid marks 61.0 m long, all the way to the tree. With what speed does the car then s..
A photon of red light (wavelength = 720 nm) and a Ping-Pong ball (mass = 2.00 × 10-3 kg) have the same momentum
q1. a dental bracket exerts the horizontal force of 80.0 n on a tooth at point b. what is the torque on the root of
A small glass bead charged to 5.9nC is 4.0cm from a thin, uniformly charged, 10cm long glass rod. What is the total charge on the rod
In an elementary-particle experiment, a particle of mass m is red, with momentum mc, at a target particle of mass 2squrt (2m) . The two particles form a single new particle (completely inelastic collision).
An object is placed 10.0\; cm in front of an unknown type of mirror that produces an erect image that is 3.11 times larger than the original object. What is the focal length of the mirror
A "torsional pendulum" comprises a uniform vertical quartz fiber attached to the top of a uniform solid sphere of mass m = 2 kg and radius r = 0.1m. what is the angular amplitude of the subsequent motion
q1. charge a and charge b are 2.5 m apart. charge a is 1.4c and charge b is 2.5c. charge c that is 2.0 c is located
A 220 g block hangs from a spring with spring constant 12 N/m. At t=0;{rm s} the block is 31cm below the equilibrium point and moving upward with a speed of 89.0 cm/s. What is the block's distance from equilibrium while the speed is 30 cm/s.
Big Ben, the Parliament tower clock in London, has an hour hand 2.70 m long with a mass of 300 kg, Calculate the total rotational kinetic energy of the two hands about the axis of rotation
An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this
Two moles of an ideal gas at 200 K occupies a 40 m3 container. What is the pressure of the gas
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