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miskamm [114]
3 years ago
10

List and describe two ways currents affect life on earth

Physics
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0
1 A current pushes waste around in the ocean

that is all i know

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A man throws a ball vertically upward with an initial speed of 20m/s. What is the maximum height reached by the ball and how lon
Luba_88 [7]

Answer:

It's your first question!!!

Explanation:

Enjoy it!!!

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2 years ago
A “point-light walker” wears lights on different body locations. When viewed in a dark room, an observer would perceive a(n):
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Answer:

person when the point-light walker is moving

Explanation:

A point light walker is an arrangement of dots that moves in a way that mimics a human walking. This is used in the field of Biological Motion Perception.

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6 0
2 years ago
The primary source of most of the moisture for the earths atmosphere is
SpyIntel [72]
I think is ocean but I'm not sure
6 0
2 years ago
At what point is the northern hemisphere pointed farthest away from the sun?
inna [77]
<span>Well, It is the aphelion point, When the Earth is farthest away from the Sun, when the Northern Hemisphere is warm. the Earth is closest to the Sun, or at the perihelion, 2 weeks after the June Solstice, when the Northern Hemisphere is enjoying warm summer months. Well this kind of weather is very nice.</span>
7 0
3 years ago
A projectile is launched from ground level at an angle of 30 degrees above the horizontal. Neglect air resistance and consider t
Oduvanchick [21]

Answer:

just before landing the ground

Explanation:

Let the velocity of projection is u and the angle of projection is 30°.

Let T is the time of flight and R is the horizontal distance traveled. As there is no force acting in horizontal direction, so the horizontal velocity remains constant. Let the particle hits the ground with velocity v.

initial horizontal component of velocity, ux = u Cos 30

initial vertical component of velocity, uy = u Sin 30

Time of flight is given by

T = \frac{2u Sin\theta }{g}

Final horizontal component of velocity, vx = ux = u Cos 30

Let vy is teh final vertical component of velocity.

Use first equation of motion

vy = uy - gT

v_{y}=u_{y}- g \times \frac{2u Sin\theta }{g}

v_{y}=u Sin 30 - 2u Sin 30

vy = - u Sin 30

The magnitude of final velocity is given by

v = \sqrt{v_{x}^{2}+v_{y}^{2}}

v = \sqrt{\left (uCos 30  \right )^{2}+\left (uSin 30  \right )^{2}}

v = u

Thus, the velocity is same as it just reaches the ground.

6 0
3 years ago
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