Chemistry

Chemistry, 04.08.2019 08:30, mimi5261

What is the kinetic energy of a 100-kg object that is moving with a speed of 12.5 m/s?

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Mathematics, 22.06.2019 21:00, Annabel9554

The kinetic energy (in joules) of a moving object can be calculated from the expression 1/2mv2, where m is the mass of the object in kilograms and v is its speed in meter per second. find the kinetic energy of a 0.145-kg baseball that is thrown at a speed of 40 meters per second.

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Physics, 14.10.2019 18:00, shawnaelvaughns

To learn about the work-energy theorem and its basic applications. in this problem, you will learn about the relationship between the work done on an object and the kinetic energy of that object. the kinetic energy k of an object of mass m moving at a speed v is defined as k=(1/2)mv2. it seems reasonable to say that the speed of an object--and, therefore, its kinetic energy--can be changed by performing work on the object. in this problem, we will explore the mathematical relationship between the work done on an object and the change in the kinetic energy of that object. h fnet = 12mv22? 12mv12/s i wnet = fnets what is the answer for j. combine your results from part h & part i to find the net work wnet done on the sled.

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Physics, 23.10.2019 03:50, Dweath50

Two technicians were discussing the kinetic energy a vehicle possesses with respect to its speed. technician a stated that if the speed of a moving object doubles, the kinetic energy becomes almost four times as great. technician b disagreed and stated that if the speed of a moving object doubles, the kinetic energy is also doubled. which technician is correct?

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Physics, 12.11.2019 11:31, stacysadousky

Question 1 1 / 1 point kinetic energy is the energy of question options: mass motion work speed question 2 1 / 1 point what two factors determine an objects kinetic energy? question options: mass and speed size and speed height and speed mass and height question 3 1 / 1 point kinetic energy can be passed from one object to another when objects collide, question options: true false question 4 1 / 1 point a 50 pound boy is moving at a speed of 5 miles per hour and a 30 pound girl is moving as a speed of 5 miles per hour, who has the greatest kinetic energy? question options: the boy they both have the same kinetic energy the girl there is not enough information to determine who has the most kinetic energy question 5 1 / 1 point think about a girl on a swing. when is the kinetic energy of the girl zero? question options: when she stops moving at the top of the swing it is never zero when the girl is swinging backwards at the bottom of the swing question 6 1 / 1 point if a car is at a stop sign it has kinetic energy. question options: true false question 7 1 / 1 point one object has a speed of 1 mph and another object has a speed of 3 mph. if the masses are the same, which of the following is true about their kinetic energy? question options: the object greater speed has the lower kinetic energy the object with the greater speed has greater kinetic energy their speeds are the same. the object with the smaller mass has the greater kinetic energy

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What is the kinetic energy of a 100-kg object that is moving with a speed of 12.5 m/s?...

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