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A 3.00 kilogram model rocket is launched straight up. It reaches a maximum height of 1.00 x 10^2 meter above where its engine cuts out, even though air resistance performs -8.00 x 10^2 Joule of work on the rocket. Find what would have been this height if there were no air resistance?
The coefficient of kinetic friction between rubber and dry concrete is typically 0.650. Illustrate w hat happened to the car's original kinetic energy?
a circular conducting loop of radius 17.0 cm is located in a region of homogeneous magnetic field of magnitude 0.100 t
When people exercise they shed heat to the environment by sweating and radiating, calculate the rise in body temperature after one hour
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
In 0.785 second, a 7.45-kilogram ball is pulled through a distance of 3.65 meter on a frictionless horizontal surface, starting from rest. Compute by how much does the spring stretch
A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. How many revolutions per minute is the sample making
1 a notebook computer wire carries 1.5 a. how many electrons pass through the wire each second? 2 a 50-w and 100-w
Two trains on separate tracks move toward each other. Train 1 has a speed of 127 km/h; train 2 a speed of 80.0 km/h. What is the frequency heard by the engineer on train 1
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that theearth is a uniform sphere and that its path around the sun is circular.
An elastic conducting material is stretched into a circularloop of 11.0 cm radius. It is placedwith its plane perpendicular to a uniform 0.600 T magnetic field. What emf is induced in the loop at that instant
A uniform steel beam has a mass of 1860 kg. On it is resting half of an identical beam, What are the vertical support forces
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