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In an American football game, a 90.4 kilogram fullback running east with a speed of 4.93 m/s is tackled by a 94.1 kilogram opponent running north with a speed of 3.08 m/s.
(a) If the collision is perfectly inelastic, determine the speed and direction of the players just after the tackle.
(b) Find the mechanical energy lost as a result of the collision.
A spacecraft is traveling with a velocity of V0x=5480m/s along the+x direction. Two engines are turned on for a time of 842s.One engine gives the spacecraft an acceleration in the +x directionof ax=1.20m/s^2, while the other gives it an acceleration ..
Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same linear speed. Determine the maximum height reached by each wheel as it moves up the incline
In a diffraction grating experiment, λ = 590 nm and the numberof lines per mm in the grating is N = 100. How many yellow images of the slit can be seenthrough the grating?
A bullet with a mass of 4.95 g and a speed of 940 m/s penetrates a tree horizontally to a depth of 6.15 cm. Calculate the magnitude of this frictional force
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position
An object moving on the x axis with a constant accelerationincreases it's x coordinate by 42.7 m in a time of 6.01 seconds andhas a velocity of 20 m/s at the end of this time. Determine the acceleration of the object during this motion.
Why should you maximize the volts/division scale on the gradecule when determining the amplitude of the waveform
A circular disk, centered at the origin of a coordinate system, is rotating at a constant angular velocity ?0. In Cartesian coordinates, what is the velocity vector of the point P located at the cartesian coordinate (1,1).
Imagine a frictionless pulley (a solid cylinder) of unknown mass M and radius r = 0.200 m which is used to draw water from a well. A bucket of mass m = 1.50 kg is attached to a massless cord wrapped around pulley. The bucket starts from rest at th..
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 6.83 m/s2. Determine the orbital period of the satellite
the blade of a windshield wiper moves through an arc of 90deg in a time of 0.40s. the tip of the blade moves on the arc
A solenoid that is 75 cm long produces a magnetic field of 1.4 T within its core when it carries a current of 7.6 A. How many turns of wire are contained in this solenoid
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