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kirill115 [55]
1 year ago
13

Oxygen is needed by all cells of most organisms for the release of

Physics
1 answer:
pashok25 [27]1 year ago
7 0

Answer:

From the SUN

Explanation:

Hope it helps!!!

Follow me if you want :)

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A group of students are playing tug-of-war. The students on both
Andrews [41]

Answer:

newton's first law

Explanation:

this is because newton's first law of motion states that every object will continue in its state of rest or uniform motion in a straight line unless a resultant force acts on it.

hope this helps, if you want more elaboration, tell me

7 0
2 years ago
A cat is shot horizontally out of a cannon that is on top of a 125 meter tall cliff. If the cat lands 286 m away from the base o
Elden [556K]

The initial velocity of the cat is 56.6 m/s

Explanation:

The motion of the cat is a projectile motion, consisting of:

- a uniform horizontal motion with constant velocity

- a vertical accelerated motion with constant acceleration (free fall)

We start by analyzing the vertical motion, to find the time it takes for the cat to reach the ground. We use the following suvat equation:

s=ut+\frac{1}{2}at^2

where we have (choosing downard as positive direction)

s = 125 m is the vertical displacement of the cat

u = 0 is the initial vertical velocity

t is the time taken to reach the ground

a=g=9.8 m/s^2 is the acceleration of gravity

Solving for t, we find

t=\sqrt{\frac{2s}{a}}=\sqrt{\frac{2(125)}{9.8}}=5.05 s

Now we can analzye the horizontal motion. Since the motion is uniform and the horizontal velocity is constant, it is given by

v_x =\frac{d}{t}

where

d = 286 m is the horizontal distance travelled

t = 5.05 s is the time taken

Solving the equation,

v_x = \frac{286}{5.05}=56.6 m/s

Learn more about projectile motion:

brainly.com/question/8751410

#LearnwithBrainly

3 0
3 years ago
The potential energy of a body if its mass is 30 kg and height 30 m and gravity 10m/sec2<br><br>​
Dafna1 [17]

Explanation:

potential energy= mgh

30 × 10 × 30 = 9000J or 9KJ

6 0
2 years ago
To determine the amplitude of a wave, you would need to know the . A) distance from the crest to the trough. B) maximum displace
Alexxx [7]
To determine the amplitude of a wave, you would need to know the : B. Maximum displacement of the wave from the equilibrium position

You can find out the displacement by counting the waves that is
written on the Graph

Hope this helps

4 0
2 years ago
Read 2 more answers
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics
valentina_108 [34]

Answer:

v = 69.82 ms^-1

Explanation:

As we know,

R = vi2 sin2Ꝋ / g  

vi2 =R g / sin2 Ꝋ where R is range R = 52m, Ꝋ = 3 Degrees

vi2 = 52 x 9.8 / sin 2(3) = 4875.227

v = 69.82 ms^-1

3 0
3 years ago
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