Ask question

Ask question

All categories

3 years ago

10

. Energy can neither be created nor be destroyed, but it can be changed from one form to another", this law is known as kinetic

energy potential energy conservation of energy conservation principle

1 answer:

Fynjy0 [20]3 years ago

3 0

Answer:

The law of conservation of energy

You might be interested in

Determine the energy required to accelerate an electron between each of the following speeds.(a) 0.500c to 0.898c(b) 0.898c to 0

sineoko [7]

Answer:

0.572 MeV

2.467 MeV

Explanation:

c = Speed of light = $3\times 10^8\ m/s$

m = Mass of electron = $9.11\times 10^{-31}\ kg$

v = Final velocity

u = Initial velocity

Kinetic energy is given by

$E=mc^2\left[\dfrac{1}{\sqrt{1-\dfrac{v^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{u^2}{c^2}}}\right]\\\Rightarrow E=9.11\times 10^{-31}\times (3\times 10^8)^2\left[\dfrac{1}{\sqrt{1-\dfrac{0.898^2c^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{0.5^2c^2}{c^2}}}\right]\\\Rightarrow E=9.16689\times 10^{-14}\ J\\\Rightarrow E=\dfrac{9.16689\times 10^{-14}}{1.6\times 10^{-13}}\\\Rightarrow E=0.572\ MeV$

The energy required is 0.572 MeV

$E=mc^2\left[\dfrac{1}{\sqrt{1-\dfrac{v^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{u^2}{c^2}}}\right]\\\Rightarrow E=9.11\times 10^{-31}\times (3\times 10^8)^2\left[\dfrac{1}{\sqrt{1-\dfrac{0.99^2c^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{0.898^2c^2}{c^2}}}\right]\\\Rightarrow E=3.94869\times 10^{-13}\ J\\\Rightarrow E=\dfrac{3.94869\times 10^{-13}}{1.6\times 10^{-13}}\\\Rightarrow E=2.467\ MeV$

The energy required is 2.467 MeV

7 0

3 years ago

What is the magnitude of velocity for a 3,100 kg car possessing 4,100 kg•m/s of momentum?

azamat

Answer:

my c-ock and balls be rotating im gunna be hxrny all day every day im gunna f-u-ck u and r-ape ur family girls should go back to the kitchen and hope not to be beat by their husband uh yea mhm girls desurve to be r-aped f-u-ck buck suck c-u-ck

Explanation:

3 0

3 years ago

Read 2 more answers

suppose the circumference of a bicycle wheel is 2 meters. if it rotates at 1 revolution per second when you are riding the bicyc

kirill115 [55]

Then the speed of the rider is, v = 2m/s

The linear velocity of an object in a straight line is its speed.

The following is the relationship between linear and angular velocity:

v = rω

The circumference of the bicycle wheel is,

2 $\pi$ r = 2

r = 0.318m

The angular velocity of the wheel is,

ω = 1rev/sec = 2 $\pi$ rad/s

Then the speed of the rider is,

v = rω

v = 0.318×2π

v = 2m/s

Learn more about angular velocity here:

brainly.com/question/12446100

#SPJ4

4 0

1 year ago

What is the amount of matter in a substance?

professor190 [17]

Answer:

mass

Explanation:

Mass (M) is the measure of the amount of matter in an object. Mass is measured in grams (g). Mass is measured on a balance by comparing the object against other objects with known masses.

6 0

2 years ago

Read 2 more answers

Erik Erikson’s theory of psychosocial development emphasizes that development occurs by overcoming an emotional crisis in each o

lorasvet [3.4K]

Answer:

True

Explanation:

8 0

2 years ago