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A student from the future is pulling a 23.7kg toboggan up a sand dune that is sloped at an angle of 26.0 degrees on Mars and the coefficient of friction between the toboggan and surface is 0.350. Calculate the applied force from the student if the toboggan is pulled up the dune at a constant speed. Mars has a mass of 6.39 x 1023 kg and a radius of 3.39 x 106 m.
Two closely spaced circular disks form a parallel-plate capacitor. What are the diameters of the disks
You walk west 240m and then north 150m. What is the magnitude of your displacement vector
The mass of the Moon is 7.4 x 10^22 kilogram and its mean radius is 1.75 x 10^6 meter. Find the acceleration due to gravity at the surface of the Moon
A 2.5kg mass is attached to a spring and placed on the horizontal, smooth surface. A horizontal force of 18.4 N is necessary to hold the mass at rest while it is pulled 0.210 m from its equilibrium position.
A satellite revolves around a planet at an altitude equal to the radius of the planet. The force of gravitational interaction between the satellite and the planet is F_0. Then the satellite moves to a different orbit, so that its altitude is tripl..
The archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish's mouth. Suppose the archerfish squirts water with a speed of 2.15m/s at an angle of 46.0 ^\circ above the horizontal, a..
Draw a diagram showing all forces acting on a racecar as it rounds the track. Neglect friction. What conditions do you impose on the x acceleration to make this a circular motion problem?
Speedboat A negotiates a curve whose radius is 150 m. Speedboat B negotiates a curve whose radius is 190 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
Vector A has a magnitude of 7m and makes an angle of 58o with the positive x axis. Vector B also has a magnitude of 7 m and is directed along negative x axis. Enter your answers in distance then angle (in degrees).
A 1.00-m vertical tube, with its bottom closed and top open to the air, is partly filled by mercury. What is the absolute pressure at the bottom of the tube if the fundamental frequency of the filled tube is equal to the fifth harmonic of the empty t..
two vehicles approach a right angle intersection and then collide. after the collision they become entangled. if their
When a diver jumps into the ocean, water leaks into the gap region between the diver's skin and her wetsuit, estimate how much energy (in units of candy bars = 300 kcal) is required by this heating process
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