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Chemistry
Calculate your Kinetic Energy in Joules if you weigh50 kg and you are walking 2 meters/second. This is what I did: Ep=50kg x 9.8m/s^2 x 2m/s = 980 Joules. What do I do next?
asked by Anonymous on October 14, 2011 
Chemistry
Calculate your Kinetic Energy in Joules if you weigh50 kg and you are walking 2 meters/second. This is what I did: KE is Ek=1/2mv^2 So it would be Ek=1/2(50kg) x 2m/s Then I convert kg to pounds. There are .454kg in 1 lb so
asked by Anonymous on October 15, 2011 
physics
In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 2.0 joules. If the entire potential energy is used to release a ball of mass 1.2 kilograms vertically downward, then what is the
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ALGEBRA  Proportional
The velocity ( v meters per second ) of a body is known to be proportional to the sqaure root of it's kinetic energy ( e ejoules). When the velocity of a body is 120m/s it's kinetic energy is 1600J. Write down the relationship
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Chemistry
Kinetic energy is calculated from the formula KE = (1/2)mv2. Suppose a mass of 14.2 kg (m = 14.2 kg) is moving with a velocity of 750. ms1 (v = 750. meters per second). Calculate the kinetic energy of this mass in units of
asked by Abby on January 25, 2011 
Astronomy
We can calculate the kinetic energy of any moving object with a very simple formula: kinetic energy = 1/2 mv^2 ,where m is the object's mass and v is its velocity or speed. Table Energy Comparisons shows that metabolizing a candy
asked by Isabelle on October 19, 2010 
science
A 70kg man is walking at a speed of 2.0 m/s. What is his kinetic energy (energy is measured in Joules)?
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Intermediate algebra
The kinetic Energy (K)of a moving object varies jointly with it mass (m) and the square of it velocity (v) If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500
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Algebra
The Kinetic energy (k)of a moving object varies jointly with it mass (m) and the square of its velocity (v).If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500
asked by rosa on May 21, 2010 
Physics
In a horizontal springmass configuration, the position of the 0.52 kg mass is described by [x = (1.09 m) sin(2.70t)] a) What is in meters the amplitude of these oscillations? b) What is in m/s the maximum speed of the mass under
asked by Serena on November 12, 2014