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yarga [219]
2 years ago
15

An object is thrown upward with initial velocity of 30m/s at angle of 30 degree to the horizontal. calculate the components of t

he initial velocity.​
Physics
1 answer:
mel-nik [20]2 years ago
5 0

Answer:

Vo (vertical) = Vo sin 30 = 30 m/s / 2 = 15 m/s

Vo (horizontal) = Vo cos 30 = .866 30 m/s = 26 m/s

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How do objects move under the influence of gravity?
Nady [450]

Under the influence of gravity, objects just move down to the earth.

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4 0
3 years ago
12 seconds after starting from rest a frewly falling cantaloupe has a speed of
adoni [48]

Answer:

<em>The cantaloupe has a speed of 117.6 m/s</em>

Explanation:

<u>Free Fall Motion</u>

It occurs when an object falls under the sole influence of gravity. Any object that is being acted upon solely by the force of gravity is said to be in a state of free fall. Free-falling objects do not face air resistance.

If an object is dropped from rest in a free-falling motion, it falls with a constant acceleration called the acceleration of gravity, which value is g = 9.8 m/s^2.

The final velocity of a free-falling object after a time t is given by:

vf=g.t

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The cantaloupe has a speed of 117.6 m/s

3 0
3 years ago
The free length of the spring that is attached to the 0.3-lb slider is 3 in. If the slider is released from rest when x = 6 in.,
hichkok12 [17]

Answer:

a = 64 ft / s²

Explanation:

The force in a spring is given by Hooke's law

          F = -k x

Let's use the initial data to calculate the spring constant

         k = F / x

Reduscate to the English system

          x = 3 in (1foot/12 in) =0.25 foot

         k = 0.3 / 0.25

         k = 1.2  lb / foot

Now we can use Newton's second law

        F = ma

        a = F / m

        a = -k x / m

        m = w / g

        m = 0.3 / 32 = 0.009375

         x= 6 in (1foot /12 in)= 0.5 foot

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        a = 64 ft / s²

5 0
3 years ago
How was our galaxy formed?
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Answer:

according to big bang theory our galaxy was formed 13billion years ago and then made the stars and galaxies we see today. ... The universe began as a very hot, small, and dense superforce (the mix of the four fundamental forces), with no stars, atoms, form, or structure (called a "singularity).

8 0
3 years ago
George is planning an experiment to see how fast different sized cans of soup can roll down a ramp in his kitchen. He will be ro
ddd [48]
If it were me, I would choose D.
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3 years ago
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