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Question: Planet A has a radius of 750 km and an acceleration due to gravity of .47 m/s^2. What are the escape speed from its surface and the maximum height an object will rise being fired directly upward at half this escape speed?
In a machine shop,a hydraulic lift is used to raise heavy equipment forrepairs. What force must be applied to the small piston inorder to lift the engine in units of N
A chipmunk scampers about collecting in its cheeks safflower seeds that the birds dropped from the feeder hanging overhead. Initially the little creature is at position vector r1x = 2.45 m and r1y = -2.13 m. After filling up, it runs to the hole a..
On the planet Newtonia, a simple pendulum having a bob with a mass of 1.25KG and a length of 188.4CM takes 1.55S, What is the mass of the planet Newtonia
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.94 m, 5.13 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
A 98.0 kg hockey player skating at 2.12 m/s 32° S of W is body checked by an 87.0 kg opponent who is skating at 1.40 m/s 42° N of E. What is the velocity of the pair immediately after the collision
A capacitor is fully charged by a 3V battery and has 0.02 J of energy stored in it. What is the charge on its side of the capacitor
twin brothers each of mass 50 kg sit in a symmetric canoe of mass 40 kg. each boy sits 1.5m from the center of the canoe as they toss a basketball(mass= .60kg) back and forth. how much does the center of canoe move as the ball moves from one brothe..
how much work is done by the electric field as a third charge q3 = +2.19 nC is moved from point a to point b. (q1 = +9.41 nC, q2 = -9.41 nC)
A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diame..
An indestructible bullet 1.85 cm long is fired straight through a board that is 11.10 cm thick. The bullet strikes board with a speed of 455m/s and emerges with a speed of 279m/s. (To simplify, suppose that the bullet accelerates only while the fr..
A 653 kg satellite is in acircular orbit about the Earth at a height above the Earth equal tothe Earth's mean radius. Find the gravitational force acting on it
Two atoms of masses m1 and m2 are bound together in a molecule with energy so low that their separation is always close to the equilibrium value r0. With the parabola apporximation, the effective spring constant is k = (d2U)/(dr2) evaluated at r0
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