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The kinetic energy of an object can be calculated using the formula KE = 0.5 * m * v^2, where KE is kinetic energy, m is mass, and v is velocity. Given 8 joules of kinetic energy and a mass of 1 kg, you can solve for velocity by rearranging the formula and substituting the values. The speed of the 1 kg ball is approximately 4 m/s.

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11mo ago

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What is the kinetic energy of a small 20 kilogram canoe is floating downriver at a speed of 2 meters per second?

40 Joules


What units are kinetic energy measured in?

To measure kinetic energy:Let us suppose an object of mass m moving wtih velocity vKinetic Energy of that object= mv2/2


What is the kinetic energy of an object that has a mass of 20 kg and a speed of 2.8m per second?

The object's kinetic energy is 78.4 joules.


What is the kinetic energy of a 200kg boulder when it is 1000m above the ground?

The kinetic energy of the boulder when it is 1000m above the ground is zero because at that height, the boulder is not in motion. The kinetic energy of an object is given by the formula KE = 0.5 * m * v^2, where m is the mass of the object and v is its velocity.


How do you compare kinetic energies on things that move?

Kinetic energy = (1/2)*mass*(speed)^2 where, in metric units, mass is in kilograms, speed is in meters/second, and kinetic energy is in Joules. So, you need to know the mass and the speed of the things.


What is an object's kinetic energy if air resistance is not a factor and weighs 0.6 kg and its potential energy is 27 joules?

The object's kinetic energy can be calculated using the formula KE = PE, where KE is the kinetic energy and PE is the potential energy. Therefore, the object's kinetic energy would also be 27 joules if air resistance is not a factor.


What is a kinetic energy of an object that has mass of 20 kilograms and speed of 2.8ms?

78.4 joules at 2.8m/s


Start with 20 joules if speed is doubled what is new kinetic energy?

80 (20 x 22).


Is kinetic energy measured in mass?

The kinetic energy of any moving object is 1/2 of (its mass) x (the square of its speed). The SI unit of any kind of energy is Joules.


What are the quantities involved in kinetic energy?

The quantities involved in kinetic energy are mass and velocity. Kinetic energy is calculated as 1/2 the mass of an object multiplied by its velocity squared. The unit of measurement for kinetic energy is joules.


What is the similarities between kinetic energy and potential energy?

kinetic energy depends on speed an potential energy depends on height and mass


A vehicle has a mass of 1990 kg it is travelling at a speed of 28 ms determine the kinetic energy of the vehicle?

The formula for kinetic energy is KE = 0.5 * mass * speed^2. Plugging in the values, we have KE = 0.5 * 1990 kg * (28 m/s)^2 = 783,920 Joules. So, the kinetic energy of the vehicle is 783,920 Joules.