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Lina20 [59]
3 years ago
8

What is kinetic energy? Question 1 options: energy that is due to motion energy that is stored the mass of an object the rate at

which work is performed
Physics
1 answer:
mario62 [17]3 years ago
8 0
<span>Kinetic Energy means energy that a body possesses by virtue of being in motion. I hope this helps!!!</span>
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What best explains whether bromine (Br) or neon (Ne) is more likely to form a covalent bond? On left, a purple circle labeled Br
blondinia [14]

Answer:

I believe the answer is Bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons.

Explanation:

valence electrons are the outermost shell, so when you go through keeping that in mind it helps you find the right answer

6 0
3 years ago
What is the distance time how can we find the speed of an object from its distance time graph​
CaHeK987 [17]

Answer:

speed is the gradient of the graph

7 0
3 years ago
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A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00
mr_godi [17]

Answer:

Explanation:

initial velocity, u = 8 m/s

vertical height, h = 1 m

θ = 40°

Let the horizontal distance is d and the time taken is t.

Use second equation of motion in vertical direction

h = ut + 1/2 at²

1 = 8 Sin 40 x t + 0.5 x 9.8 t²

1 = 5.14 t - 4.9t²

4.9t² - 5.14 t + 1 = 0

so, t = 0.26 s (smaller value)

So, the horizontal distance is

d = u cos 40 x t

d = 8 cos 40 x 0.26

d = 1.6 m

5 0
2 years ago
Please help 25 points!
cricket20 [7]
<h3>2 Answers:</h3>

a) Velocity is a vector quantity

e) Velocity is a speed with direction

=================================================

Explanation:

If we know the velocity of an object, then we know how fast it's going (speed) and where it's going (direction). It is a vector because the direction of the vector determines the direction, and the length of the vector (aka magnitude) determines the speed. So in a sense we've built in two facts of data into one visual.

An example of velocity: 10 miles per hour north. Here we have the speed of 10 mph and the direction north.

-------------------

Extra info:

  • Choice B contradicts choice A, so we can cross choice B off the list.
  • Choice C is false because speed is a scalar, or single quantity, and not a vector. As mentioned earlier, speed is a part of velocity, but they aren't the same exact thing.
  • Choice D is false because the velocity does not account for net force. We don't have any force information built into the velocity.
8 0
3 years ago
Read 2 more answers
What is the Momentum of a ball that has a mass of 0.5 kg and a velocity of 20 m/s?
Zarrin [17]
P (momentum) = mass x velocity
p = .5 x 20
p = 10
8 0
2 years ago
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