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docker41 [41]
2 years ago
14

Which has the most kinetic energy?

Physics
1 answer:
lara31 [8.8K]2 years ago
3 0

Answer:

I think A golf ball shot out of a small cannon

Explanation:

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What branch of science that deals with landforms,features,inhabitants and phenomena on earth
iren2701 [21]

Answer:

Earth and space

Explanation:

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3 years ago
While escaping from a building in which a fire is burning, 40 people pass through a smoky
kherson [118]

my bad  i clicked the wrong question to do sorry i wish i could help but im dumb lol

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3 years ago
What is the difference between brake horsepower and thrust horsepower?
arlik [135]

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5 0
3 years ago
A student throws a rock horizontally from the edge of a cliff that is 20 m high. The rock has an initial speed on 10 m/s. If air
fiasKO [112]

The distance of the rock from the base of the cliff is C) 20 m

Explanation:

The motion of the rock in this problem is a projectile motion, which consists of two independent motions:

- A uniform motion (constant velocity) along the horizontal direction

- An accelerated motion with constant acceleration (acceleration of gravity) in the vertical direction

We start by analyzing the vertical motion to find the time of flight of the rock (the time it takes to reach the ground). We can do it by using the suvat equation:

s=u_y t+\frac{1}{2}at^2

where, taking downward as positive direction,

s = 20 m is the vertical displacement of the rock

u_y=0 is the initial vertical velocity

t is the time of flight

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

Solving for t,

t=\sqrt{\frac{2s}{g}}=\sqrt{\frac{2(20)}{9.8}}=2.02 s

Now we can analzye the horizontal motion: the rock moves horizontally with a constant velocity of

v_x = 10 m/s

Therefore, the horizontal distance covered after a time t is

d=v_x t

and substituting t = 2.02 s, we find the final distance of the rock from the base of the cliff:

d=(10)(2.02)=20 m

Learn more about projectile motion:

brainly.com/question/8751410

#LearnwithBrainly

6 0
3 years ago
A material that conducts electricity is called a... what?
jonny [76]

Answer:

Materials which do conduct electricity, like copper, are called conductors. In the middle are materials known as semiconductors, which don't conduct as well as conductors, but can carry current.

I hope it helped you...

6 0
3 years ago
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