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A customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.31 m. The mug slides off the counter and strikes the floor 1.93 m from the base of the counter.
What was the direction of the mug's velocity just before it hit the floor? (below the horizontal)
Your task in physics lab is to make a microscope from two lenses.One lens has a focal length of 12 {\rm cm}, the other a focal lengthof 2.5 {\rm cm}. You plan to use the morepowerful lens as the objective, and you want its image tobe 16 {\rm cm} f..
Two of Angie's friends are talking to each other at a distance of 3.0 m from where Angie stands. What sound intensity does he measure for the two talkers
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.75 m/s2 for 4.45 s, With what speed does the car then strike the tree
Two forces acts on a 55 kg object. One force has a magnitude of 65 N and is directed 59° clockwise from the positive x-axis. The other force has a magnitude of 35 N and is directed 32° clockwise from the positive y-axis. What is the magnitude of this..
find the magnetic field at the center of a set of helmholtz coils each with radius r0.1m and each carrying a total
A 15 kg block is accelerated at 1.7 m/s2 up a frictionless plane inclined at 5.0° to the horizontal, with the speed increasing from 10 m/s to 35 m/s. What is the average rate at which energy is transferred to the block
An object of mass 2.00 kg is oscillating freely on a vertical spring with a period of 0.540 s, Find the spring constant k and Find the unknown mass
Is the center of the mass of the pendulum-ball system at the center of the ball? If not, where and how is the center of mass located
A contact lens is made of plastic with an index of refractionof 1.60. The lens has a focal length of +23.0 cm, What is the radius of curvature of the outer surface
an electron and a proton are separately placed at rest midway between two oppositely charged metal plates. which
The left end of a long glass rod 8.00 cm in diameter and with an index of refraction of 1.60 is ground and polished to a convex hemispherical surface with a radius of 4.00 cm. Find the height of the image formed by paraxial rays incident on the con..
An airplane has a mass of 3.0*10^6 kg and air flows past the lower surface of the wing at 96 m/s, how fast must the air flow over top of the wing
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