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A crate of mass m1 on a frictionless inclined plane is attached to another crate of mass m2 by a massless rope. The rope passes over an ideal pulley so the mass m2 is suspended in air. The plane is inclined at an angle ? = 36.9°. Use conservation of energy to find how fast crate m2 is moving after m1 has traveled a distance of 1.4 m along the incline, starting from rest. The mass of m1 is 12.6 kg and the mass of m2 is 15.1 kg.
A sphere with mass 0.3 kg and radius 0.05 cm is rolling without slipping along a horizontal surface at a speed of 10 m/s. What height does the sphere come to rest
Two springs with spring constants k1 and k2are put together end-to-end. Let x1 be the amount by which the first spring is stretched relative to its equilibrium length, andsimilarly for x2. If the combined double spring is stretched by an amount b ..
find out the escape speed from Jupiter's moon Callisto
A small steel ball bearing with a mass of 15 g is on a short compressed spring. Calculate the horizontal distance the ball will travel if the same spring is aimed 38° from the horizontal
A 8kg block is attached to a light rope that passes over a uniform disk-shaped 4kg pully of radius 0.6m without slipping. On the other side of the puly the rope is attached to a light unstreched spring with a stiffness
A luminous object 3.0 mm high is placed 200 mm from a convex mirror of radius of curvature 200 mm. Show that the (negative) image distance can be computed using a focal length of -100mm. Compute the image size?
A 47.0g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.6 m. neglect air resistance and determine the kinetic energy of the ball at its highest point.
Two coins rotate on a turntable. Coin B is three times as far from the axis as coin A. The mass of coin A is twice the mass of B. The acceleration of A is A. 3 times that of B B. one third of B C. equal to B D. two-third of B E. three-half of B
A 62.8 kg canoeist stands in the middle of her canoe. The canoe is 3.3 m long, and the end that is closest to land is 2.5 m from the shore. What is the canoe's mass
A particular spring has a force constant of 2.5 X 103N/m. How much more work is done in stretching the spring an additional 2.0 cm
A hovercraft of mass 69.0 kg can move on a horizontal surface, the x-y plane. How much work is done on the hovercraft by the force during this time
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.580 m and mass 4.89 kg, what should the radius of the disk be
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