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A particle with an initial linear momentum of 4.80 kgm/s directed along the positive x-axiscollides with a second particle, which has an initial linearmomentum of 9.60 kg · m/s, directedalong the positive y-axis. The final momentum of the firstparticle is 7.20 kg · m/s, directed45.0° above the positive x-axis. Find the finalmomentum of the second particle.
A 1kg ball is fastened to a string of length 1.5m. It can rotate at an average angular velocity of 10 rad/s. What is its moment inertia about the axis of rotation
A bucket filled with dirt of mass 22 kg is suspended by a rope that hangs over a pulley of mass 31kg and radius 0.15 m. everything is at first at rest.
A boat has a mass of 6800 kg, Its engines generate a drive force of 4100 N, due north, while the wind exerts a force of 800 N, What is the magnitude and direction of the boat's acceleration
A golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. find the speed of the ball just before it lands
Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.
A wheel is rotating freely with an angular speed of 20 rad/s on a shaft whose moment of inertia is negligible. Calculate the angular speed of the coupled wheels
A block, mass m, slides down a ramp inclined 27 degrees above the horizontal. Calculate the speed of the block if it begins at rest
A 9.0-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire, compute the strength of the magnetic field
a grade school student plans to build a 38-power telescope as a science fair project. she starts with a magnifying
A space station is moving in a circular orbit around the Earth. It makes one revolution in 90 minutes. How high above the Earth's surface is the space station
an airplane is traveling at 117 mph relative to the air 13 degrees e of n at an altitude of 5000 ft. it encounters a
An objects average density, p, is defined as the ration of its mass to its volume: p = M/V. The Earth's mass is 5.94x10^24 kg and its volume is 1.08x10^12 km^3
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