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Question: How fast can you set the Earth moving? In particular, when you jump straight up as high as you can, what is the maximum recoil speed that you give to the Earth? Let your mass be81.0kg and your maximum jump height be 0.300m.
In the 1950's, an experimental train that had a mass of 16000 kg was powered across a level track by a jet engine that produced a thrust of 5.76 × 105 N for a distance of 418 m. Find the work done on the train
A rifle with a weight of 20 N fires a 5.0-g bullet with a speed of 220 m/s. Find the recoil speed of the rifle
An airplane traveling north at 400 m/s is accelerated due east at a rate of 50 m/s2 for 6 s. what is the final speed of the plane
An astronaut leaves Earth in a spaceship at a speed of 0.280C relative to Earth. If the destination is a star system 12.5 light-years away as measured by an observer on Earth, what is the distance to the star system as measured by the astronaut..
A photon of wavelength 0.50801 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
Find the magnitude and direction of the rockets acceleration
An electron with a speed of 7.98 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.25 × 103 N/C, how much time will have elapsed
A lead block is suspended from the underside of a 0.5 kg block of wood of density of 728 kg/m3. what is the mass of the lead block
A box slides across a frictionless floor with an initial speed v = 2.5 m/s. It encounters a rough region where the coefficient of friction is µk = 0.1. find the shortest length of rough floor which will stop the box
A 76 man weighs himself at the north pole and at the equator. How much higher is the scale reading in the north pole and by how much
question a man lifts a 1.8 kg stone vertically.at some instant of time t1 during the beginning of the lift the stone is
Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.569 s has elapsed, calculate the stopping distance of the car
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