What is the product of nuclear fission?a. two different atoms that are isotopes of the original atom
b. two different atoms that are both less massive than the original atom
c. two different atoms that have larger electron clouds than the original atom
d. two different atoms that have the same number of neutrons as the original atom User: What is released when the nuclei of two smaller atoms fuse to form a larger atom?
a. energy
b. compound
c. mass
d. matter

Answers

Answer 1

Answer: Nuclear fission is seperating an atom so product is b.

Energy is released during nuclear fussion. Mass is converted into energy because E=mc^2, this is the energy that is released

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Explain why It takes longer to heat a cinema to the same temperature as a house.

Answers

i think because a cinema is bigger than a house.

If a group of workers can apply a force of 1000 newtons to move a crate 20.0 meters on a frictionless ramp: How high up a ramp will the crate travel?

Answers

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A bicycle is heading west. It goes 500m in 5 minutes. What is its velocity?

Answers

Speed = 500m/5min = 100 m/min. Direction = west. Velocity = 100 m/min west.

Velocity = distance\time

500/(5*60)

=500
------
300 m/s west.

3 The components of a 15-meters-per-secondvelocity at an angle of 60.° above the horizontal
are
(1) 7.5 m/s vertical and 13 m/s horizontal
(2) 13 m/s vertical and 7.5 m/s horizontal
(3) 6.0 m/s vertical and 9.0 m/s horizontal
(4) 9.0 m/s vertical and 6.0 m/s horizontal

Answers

First draw a picture to help make the problem easier. (see attached)

Next you can use sin and cos to find the x and y components of the velocity.

First lets find the vertical component:
$sin = (opp)/(hyp)$
$sin(60) = (y)/(15m/s)$
Multiply both sides by 15m/s
$15m/s * sin(60) = y$
y ≈ 13 m/s

Now you can find the horizontal component:
$cos = (adj)/(hyp)$
$cos(60) = (x)/(15m/s)$
Multiply both sides by 15m/s
$15m/s * cos(60) - x$
x = 7.5

Therefore the answer is 2, the vertical (y) component is 13m/s and the horizontal (x) component is 7.5m/s.

The components of the velocity are :

(2) 13 m/s vertical and 7.5 m/s horizontal

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Further explanation

Vector is a quantity that has a magnitude and direction.

A vector in a cartesian coordinate is represented by an arrow in which the slope of the arrow shows the direction of the vector and the length of the arrow shows the magnitude of the vector.

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A position vector of a point is a vector drawn from the base point of the coordinates O (0,0) to that point.

The addition of two vectors can be done in the following ways:

$\overrightarrow {AB} + \overrightarrow {BC} = \overrightarrow {AC}$

A negative vector is a vector with the same magnitude but in opposite direction.

$\overrightarrow {AB} = -\overrightarrow {BA}$

Let's tackle the problem!

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Given:

magnitude of the velocity = v = 15 m/s

direction of the velocity = θ = 60°

Asked:

horizontal component of the velocity = v_x = ?

vertical component of the velocity = v_y = ?

Solution:

Firstly , we will calculate the horizontal component of the velocity as follows:

$v_x = v \cos \theta$

$v_x = 15 * \cos 60^o$

$v_x = 15 * (1)/(2)$

$\boxed {v_x = 7.5 \texttt{ m/s}}$

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Next , we will calculate the vertical component of the velocity as follows:

$v_y = v \sin \theta$

$v_y = 15 * \sin 60^o$

$v_y = 15 * (1)/(2) √(3)$

$v_y = 7.5 √(3) \texttt{ m/s}$

$\boxed {v_y \approx 13 \texttt{ m/s}}$

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Learn more

Velocity of Runner : brainly.com/question/3813437

Kinetic Energy : brainly.com/question/692781

Acceleration : brainly.com/question/2283922

The Speed of Car : brainly.com/question/568302
Magnitude of A Vector : brainly.com/question/2678571

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Answer details

Grade: High School

Subject: Physics

Chapter: Vectors

What is speed of a particle?

Answers

The speed of a particle is the instantaneous rate at which its distance of travel
is changing.

Over any finite period of time, its speed is:

(distance traveled) / (time to travel the distance).

The direction of travel is irrelevant to a description of speed.

SPEED = total DIST. traveled / total time taken

Wave C has an amplitude of 1 and wave D has an amplitude of 3 as shown below. What will happen when the trough of wave C meets the crest of wave D?They will interfere to create a crest with an amplitude of 4.
They will interfere to create a crest with an amplitude of 2.
They will interfere to create a crest with an amplitude of 0.
They will bounce off each another.

Answers

Answer:

They will interfere to create a crest with an amplitude of 2.

Explanation:

The two waves will interfere and the resultant amplitude will be given by the principle of superposition, which states that the resultant amplitude is given by the sum (or the difference, if they meet in opposite phase) of the amplitudes of the two waves. In this case, the crest of wave C meets the through of wave D, so they are in opposite phase, therefore the resultant amplitude will be

A = A(C) - A(D) = 3 - 1 = 2

they will interfere to create a crest with an amplitude of 2

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