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A particular spring has a force constant of 2.2×103N/m .
1. How much mass would have to be suspended from vertical spring to stretch it the first 5.5cm?
2. How much more mass would have to be suspended from the vertical spring to stretch it additional 2.0cm?
A grandfather clock is controlled by a swinging brass pendulum that is 1.3 m long at a temperature of 30.°C. What is the change in the length of the pendulum rod
A sled of mass 50.0 kg is pulled along flat, snow-covered ground.The static friction coefficient is 0.30, and the kinetic frictioncoefficient is 0.10. What does the sled weigh
a string is wrapped around a pulley that consists of a disc of mass 2 kg and radius 0.3 m. hanging from the string is a
What is the area of contact of each tire. find the coefficient of static friction between the car and track from these data.
A football is kicked with a speed of 20m/s at an angle of 40 degrees to the horizontal, how long is the football in the air
A spherical shell 28 in diameter carries a total charge of 81 distributed uniformly over its surface. A 4 point charge is located at the center of the shell. What is the electric field strength 8 from the center.
A horizontal force of magnitude 46.1 N pushes a block of mass 3.64 kg across a floor where the coefficient of kinetic friction is 0.554. find the increase in the kinetic energy of the block
A current of 0.300 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heart beat, how many conduction electrons pass through your heart
determine the units of viscosity ? in the following equationnbsp? ?dudy where ? is a shear stress u a velocity and y
What are some of the instruments that you might use in order to ascertain pressure and is there a different instrument for gauge pressure and absolute pressure?
The left face of a biconvex lens has a radius of curvatureof 11.5 cm, and the rightface has a radius of curvature of 20.0 cm. The index of refraction of glass is1.44.
Skier loses a ski at the top of a 98 m hill. The ski proceeds to glide down the hill frictionless. Illustrate what speed is the ski traveling at the bottom of the hill?
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