A 7.00-kg bowling ball from a 2.00-m shelf. Just before hitting the floor, what will be it’s kinetic energy?

Answers

Answer 1
Answer:

I'm not sure of the numbers sense I dont have a calculator right now. The formula is 1/2*M*V^2.


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Please explain the method of making electricity from non renewable sources like coal?

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the coal is  urned to heat up water. this produces steam. the steam turns a turbine that turns a generator which provided energy yhat can be transferred into electrisity

Heat Energy can be transferred from a source to a receiver by

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Heat energy can be transferred from a source to a receiver by conduction, convection and radiation.

How many years is a light year

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A "light year" is not an amount of time. 

It's an amount of distance ... the distance that light travels
through space in one year.

1 light year  =  5,878,625,372,000 miles
                     (rounded to the nearest thousand miles)

1 light-year  =  9,460,730,473,000 kilometers 
                     (rounded to the nearest thousand kilometers)




10,108 earth years equals 1 light year

What is 3a b2 b3 4b2 4 5a identify like terms

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like terms: 3a and 5a, b2 b3, 4b2 is by it self. answer 8a+b5+4b2

How are breeder reactors different from nuclear reactors

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Answer:

Breeder reactors are different from conventional nuclear reactors because they produce more fuel than they consume when producing energy and can re-use the plutonium they produce to fuel the reactor.

Explanation:

Nuclear reactors use uranium as a source of fuel to generate the required energy.These reactors produce less fissionable matter than they consume.For example, the amount of plutonium produced in nuclear rectors is less than that produced in Breeder reactors.In Breeder reactors, the plutonium produced can be separated and collected to be reused as fuel in the reactor.Additionally, breeder reactors use a coolant such as liquid sodium equipping the neutrons with high energy thus increasing the chances  of the neutrons to be captured by uranium isotopes and be converted to plutonium.

What is the formula for volume using density and mass

Answers


The definition of density is

                                                       Density                  = (mass) / (volume)

Multiply each side by 'volume' :    (density) x (volume) = (mass)

Divide each side by 'density' :                         Volume = (mass) / (density)
 

V=M/D
volume=mass/density