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A 62.1 kilogram skier coasts up a snow-covered hill that creates an angle of 23.1 degree with the horizontal. The initial speed of the skier is 8.90 m/s. After coasting a distance of 2.07 meter up the slope, the speed of the skier is 3.35 m/s. Find the work done by the kinetic frictional force that acts on the skier.
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.209 m and mass 5.65 kg, and two thin crossed rods of mass 9.95 kg each. what should the radius of the disk be
youre sailboarding at 7.0 when a wind gust hits lasting 6.8 accelerating your board at 0.43 at a 35 degrees to your
question1a 5.0m diameter garden pond holds 1.59x103 of water. solar energy is incident on pond at an average rate of
A projectile is fired with an initial speed of 65.2 m at an angle of 34.5? above the horizontal on a long flat firing range. find The maximum height reached by the projectile
A 10kg mass and a 2.0kg mass are connected by a light stringover a massless frictionless pully. what is the tension in the connecting string
Calculate the force of attraction which the earth exerts on a body of mass 1 kilogram at the distance of the moon (3.84 x 10^8m). The radius of the earth is 6.35 x 10^6 meter
consider the case of a wooden block moving along a horizontal track, how much is the change in mechanical energy
question a helicopter propeller blade starts from rest and experiences a constant angular acceleration of 10.5 rads2.
NASA sends satellites to Mars by placing the satellite in a Keplerian orbit (around the sun) such that the perihelion is at the radius of the Earth's orbit (1 AU) and the aphelion is at the radius of Mars's orbit (1.52 AU). Most of the trip to Mar..
variations in the resistivity of blood can give valuable clues to changes in the bloods viscosity and other properties.
In the Soapbox Derby, young participants build non-motorized cars with very low-friction wheels, What is the maximum possible acceleration of a car moving down this stretch of track
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
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