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docker41 [41]
2 years ago
9

If you are

Physics
1 answer:
zysi [14]2 years ago
7 0

Answer:

yes it doesn't matter

Explanation:

it doesn't matter because troughs and crests are the same and either can be used

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A ball of mass 0.15 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.960 m. b)
Art [367]

Answer:

Explanation:

If v be the velocity just after the rebound

Kinetic energy will be converted into potential energy

1/2 m v² = mgh

v² = 2gh

v = √ 2gh

= √ 2 x 9.8 x .96

= 4.33 m / s

4 0
3 years ago
Derive a general formula for projectile motion with the object launched at an angle
vagabundo [1.1K]

Answer:

  y = x tan θ - (g / 2v₀² cos² θ) x²

Explanation:

An equation is called a general formula that relates the position on the x-axis and the height on the body's axis.

Let's write the position on each axis

X axis. No acceleration

         x = v₀ₓ t

Y Axis.  There is the acceleration of gravity

        y = v_{oy} t - ½ g t²

Let's clear the time in the first equation and substitute in the second

       y = v₀ sin θ  (x / v₀ₓ) - ½ g (x / v₀ₓ)²

       y = v₀ sin θ / v₀ cos θ x - ½ g x² / v₀² cos² θ

       y = x tan θ - (g / 2v₀² cos² θ) x²

This is the trajectory equation in projectile launching

6 0
3 years ago
If an object is placed between a convex lens and its focal point, which type of image will be produced?
Delvig [45]

Answer:

A

Explanation:

Beacuse it has 2 angles

5 0
3 years ago
Read 2 more answers
Which statement about electromagnetic waves is true?
masya89 [10]
D. Is the right answer
7 0
3 years ago
Straight line motion is hard to experience on Earth because:
nika2105 [10]
I think its friction and gravity change the motion hope this helps :)
3 0
3 years ago
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