Physics

Physics, 20.07.2019 20:40, gsbsjshzn

What velocity does a 2kg mass have when its kinetic energy is 16 j

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Physics, 27.06.2019 03:30, spiritedawayoy6378

The calculation of kinetic energy uses the formula, ke = 1 2 mv2. identify the unit that is required for mass and velocity, respectively, to determine the kinetic energy in joules. a) mass in g, velocity in m s b) mass in kg, velocity in m s c) mass in g, velocity in km hr d) mass in kg, velocity in km hr

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Physics, 24.10.2019 01:50, maryjane8872

The rotational kinetic energy term is often called the kinetic energy in the center of mass, while the translational kinetic energy term is called the kinetic energy of the center of mass. you found that the total kinetic energy is the sum of the kinetic energy in the center of mass plus the kinetic energy of the center of mass. a similar decomposition exists for angular and linear momentum. there are also related decompositions that work for systems of masses, not just rigid bodies like a dumbbell. it is important to understand the applicability of the formula ktot=kr+kt. which of the following conditions are necessary for the formula to be valid? check all that apply. a. the velocity vector v must be perpendicular to the axis of rotation. b.the velocity vector must be perpendicular or parallel to the axis of rotation. c.the moment of inertia must be taken about an axis through the center of mass.

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Physics, 02.11.2019 04:31, mrashrafkotkaat

Kinetic energycalc1.kinetic energy can be defined as? 2.what is the equations for determining kineticenergy? babe ruth swung a bat that had a mass of 2 kg at avelocity of 45 m/s. how many joules of kineticenergy could he give to the ball? 4.barry bonds swings a bat with the mass of 1.5 kg ata velocity of 55 m/s. how many joules of kineticenergy can he give the ball? sate: happy halloweenk.1. dilate about the origin usifactor ofa (0.9) b(0, -6which is more important to hitting a home run, aheavier bat or faster swing? 6.40post imaotiger woods swings his driver which weighs .75 kg ata velocity of 60 m/s. calculate the kinetic energy ofthe club: 7.calculate the kinetic energy of a car that has a massof 1000 kg and is moving at the rate of 20 m/s.8.what is the kinetic energy of a soccer ball which hasa mass of 0.8 kg and is kicked at a velocity of 10m/s? 9.calculate the kinetic energy of a running back thathas a mass of 90 kg and is running at a velocity of 8m/s.

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