What is the basic difference between a nuclear fission reaction and a nuclear fusion reaction?A) Fusion is a synthesis reaction while fission is a decomposition reaction.
B) Fusion is an exothermic reaction while fission is an endothermic reaction.
C) Fusion does not generate energy while fission generates a huge amount of energy.
D) Fusion only takes place in the stars so it cannot be used on Earth to generate energy while fission can be used here for energy.

Answers

Answer 1

Answer: Fusion is a synthesis reaction while fission is a decomposition reaction A

Answer 2

Answer: the answer is a. nuclear fission is breaking up

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A pair of equal charges are separated by .75 m. There's a 2500 N force acting on them. What is the strength of the charge? Plz explain how you got the answer too.

Answers

The magnitude of each charge is 3.94 x $10^(-4)$ coulombs.

We have a pair of equal charges are separated by 0.75 m and there's a 2500 N force acting on them.

We have to strength of the charge.

What is the formula to calculate the force between two point charges separated by a some distance?

According to Coulomb's law, the formula to calculate the force between the two point charges (say q and Q) separated by a some distance (say r) is given by -

F = $(1)/(4\pi \epsilon_(o) ) (qQ)/(r^(2) )$

According to the question -

Force between two point charges equals to = F = 2500 N

Distance between the point charges = 0.75 m

Let's assume the magnitude of each charge be x, therefore using the coulomb's law, we get -

F = $(1)/(4\pi \epsilon_(o) ) (qQ)/(r^(2) )$

$x^(2) = (2500 * 0.75* 0.75)/(9* 10^(9) )\nx^(2) = (2500* 75* 75)/(9* 10^(13) ) \nx^(2) = 1.56* 10^(-7)$

$x = 0.000394\nx = 3.94 * 10^(-4)$ coulombs

Hence, the magnitude of each charge is 3.94 x $10^(-4)$ coulombs.

To understand more about coulomb's law visit the link below -

brainly.com/question/506926

#SPJ2

Answer:

4.5643546 × 10^ -4

Explanation:

Billy drops a water ballon from the roof of his house. Since the balloon began with an original velocity of zero, how far above the ground was the balloon dropped if it took 2.5 seconds to hit the ground?

Answers

The distance between the roof and the ground where the balloon water was dropped is 30.65 meters. This is computed using the free fall formula which state that the height or distance is equal to the time it takes object to hit the ground times the constant gravity. In this case, 2.5 seconds times 9.807 meter per square second will then give us the 30.65 meter.

the answer is 30.6 good luck!

Terminal velocity and Inicial velocity they are related???

Answers

Well the only relation they have is that they are both velocities.

The initial velocity of an object is the velocity it begins moving with. i. e if a ball is thrown its initial velocity is the velocity it has once it leaves the hand.

Terminal velocity is the maximum velocity an object can achieve when it is in free fall. i.e if a bowling ball is dropped from a plane, its velocity will increase until it reaches terminal velocity.

A car of mass 1330 kg is traveling at 28 m/s. The driver applies the brakes to bring the car to rest over a distance of 79 m. Calculate the force acting on the car.

Answers

you could use SUVAT to work out the deceleration and then use F=ma

S= 79m U=28m/s V=0m/s A=? T=n/a

V^2 = U^2 + 2AS so 0 = 28^2 + 158A so -158A = 784

A= 4.962 (3dp)

so F = ma = 4.962 *1330 = 6599.494N (3dp)

An acorn with a mass of 0.0300 kilograms falls from a tree. What is its kinetic energy when it reaches a velocity of 5.00 m/s?

Answers

Kinetic energy = 1/2 (mass) x (speed squared).

KE = 1/2 (0.03) x (5 x 5) = 0.375 kilogram-meter squared / second squared = 0.375 Joule.

Name a force that opposes the movement of an object through water.

Answers

that is frictional force

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