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A block is projected up a frictionless inclined plane with initial speed v0 = 1.44 m/s. The angle of incline is ? = 45.8°.
(a) How far up the plane does it go?
(b) How long does it take to get there?
(c) What is its speed when it gets back to the bottom?
One end of a long rod (n=1.5) is formed into a convex surface with a radius of curvature of 6cm. Find the image and object focal lengths, f' and f, and mark the locations of the foci in your to-scale sketch
A photon of wavelength 0.45000nm strikes a free electron that is initially at rest, What is the speed of the recoil electron after the collision
The mass of a bottom quark is 4.20Gev/c^2 and was found by colliding a beam of protons with a cloud of stationary protons. How fast were they moving
One afternoon, a couple walks five-sixthsof the way around a circular lake, the radius of which is1.70km. What are the magnitude and direction (relative to due east) ofthe couple's displacement
A creamy salad dressing is made up of heavy cream, corn oil, and vinegar (as well as a pinch of dry mustard, salt and pepper). You put the cream, oil, and vinegar in a glass jar.
A certain type of laser emits light that has a frequency of 5.6 x 10^14 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 3.9 x 10-11 s.
A loudspeaker of mass 19.0 is suspended a distance of = 2.00 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30. Illustrate what is the tension in each of the cables?
One of Saturn's moons has an orbital distance of 1.87 x 108 m. estimate a mass for the planet Saturn
A 3.2 kg sloth hangs 3.2 m above the ground. What is the speed of the sloth at this time
A grinder consists of a solid 15 kg disk with a diameter of 57 cm. A when active, the disk rotates at a rate of 83 rad/sec. find the rate of angular acceleration of the disk
An underwater scuba diver sees the Sun at an apparent angle of 36.0° from the vertical. What is actual direction of the Sun
What is the magnitude of the magnetic forces on each of three sides?
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