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A spring with a 0.5 kg mass attached and a spring constant of 150 N/m is stretched a distance of 2 cm from away from equilibrium and released from rest. What is the period of the oscillation for the mass?
A woman with mass of 55 kg stands at the rim of a horizontal table having a moment of inertia of 410 kg m2 and a radius of 1.6 m. How much work does the woman do ON THE TABLE to set it into motion
A sprinter of mass 69.3 kg runs at a constant speed of 10.9 m/s in a straight line. Find the extra force the sprinter must exert on the ground
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
What is the size of the force on the wireA horizontal wire of length 3.0 m carries a current of 6.0 A and is oriented so that the current direction is 50° S of W. What is the size of the force on the wire
A 67-g ice cube at 0°C is placed in 732 g of water at 22°C. What is the final temperature of the mixture
A chain connects the worker's belt to the end of an eccentric cam which may rotate about an axle attached to the sleeve at C. Determine the smallest allowable common value of the coefficient of static friction between the flange of the rail, the p..
A stationary particle of charge q = 2.6 × 10-8 C is placed in a laser beam whose intensity is 2.3 × 103 W/m2, find the maximum magnitudes of electric forces
A 40.0 kg ballet dancer stands on her toes during aperformance with four square inches (26.0 cm^2) in contact with thefloor. What is the pressure exerted bt the floor over the area ofcontact in the following cases?
A steel guitar string 40 cm long has a mass density of 1.5 g/m and the tension is 500 N. Find the frequency of the second harmonic
While a roofer is working on a roof that slants at 42.0 degrees above the horizontal, If it starts 4.35 m from the lower edge of the roof, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on ..
If a space probe weighs 33200 N on the surface of Earth, what will be the mass of the probe on the surface of Mars
At a distance of 14000 kilometer from some planet's center, the acceleration of gravity is 32 m/s2. Estimate what is the acceleration of gravity at a point 28000 kilometer from the planets center
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