Energy
Scientists and formulas
Things that affect energy and formulas
MISC 1
100

The energy of motion

kinetic energy

100

Who discovered matter can be converted into energy and energy can be converted into matter (under certain conditions)

Albert Einstein

100
These things affect the rotational kinetic energy: increasing mass and increasing speed. Name two others.


the size of the object

the object's shape

100

What is the kinetic energy of a 10 kg car that is moving 4 m/s?

80 J

200
Energy associated with the forces acting upon an object

potential energy

200

What is the equation for speed?

S= d/t  (or v=d/t)

200

An athlete throws a .80kg javelin at 25 m/s; what is the kinetic energy

KE= 2000J
200

There is a box at the top of a hill that is 10 m high and the box has a mass of 20kg.

What is the potential energy of the box?

1960 J

300

The ability to do work and change matter

Energy

300

What letter does the scientist use to represent speed?

V

300

What is the formula for gravitational potential energy?

PE= mgh

300

Name 2 forms of measurement

span, palm, digit, foot, cubits

400

the energy of electromagnetic radiation 

radiant energy

400

Which formula did Einstein create?

E=MC2

400

What is the value of g (the strength of gravity at the Earth's surface)

9.81 m/s2

400

Convert the following:

34mm = ________ cm

3.4 cm

500

What is caused by a disturbance moving through a substance

wave

500

What is the formula for kinetic energy?

KE=1/2 mv2

500

Suppose a .50kg ball is lifted to 1.0 m above ground level. What is the gravitational potential energy?

4.905 J

500

3 km = ______ m

3000

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