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nadezda [96]
3 years ago
13

In the equation for the gravitational force between two objects, which quantity must be syuu

Physics
1 answer:
Anton [14]3 years ago
6 0

Answer:

it is    F = G(m1)(m2)/d^2

Explanation:

lol you take ed genuity too

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Why is the sign of the emf of the second peak opposite to the sign of the first peak?
eimsori [14]
Because AC emf is a sine wave
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2 years ago
The mechanical energy of a coconut falling from a tree______
Alexxandr [17]

Answer:

D. is the answer

Explanation:

8 0
3 years ago
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A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. its speed is 40 m/s when i
Alenkinab [10]

Given that,

Initial velocity , Vi = 0

Final velocity , Vf = 40 m/s

Acceleration due to gravity , a = 9.81 m/s²

Distance can be calculated as,

2as = Vf² - Vi²

2 * 9.81 *s = 40² - 0²

s = 81.55 m

For half height, that is, s = 40.77m

Vf= ??

2as = Vf² - Vi²

2 * 9.81 * 40.77 = Vf² - 0²

Vf² = 800

Vf = 28.28 m/s

Therefore, speed of roller coaster when height is half of its starting point will be 28 m/s.  

5 0
3 years ago
Please, I need help with this question.
Jet001 [13]

The x and y components of the velocity vector is 17.32 m/s and 10 m/s respectively.

<h3>What is the x - component of the velocity?</h3>

The x-component of the ball's velocity is the velocity of the ball in the horizontal direction or x-axis.

The velocity of the ball in x-direction is calculated as follows;

Vx = V cosθ

where;

  • Vx is the horizontal velocity of the ball
  • V is the speed of the ball
  • θ is the angle of inclination of the speed

Vx = (20 m/s) x (cos 30)

Vx = 17.32 m/s

The velocity of the ball in y-direction is calculated as follows;

Vy = V sinθ

where;

  • Vy is the vertical velocity of the ball
  • V is the speed of the ball
  • θ is the angle of inclination of the speed

Vy = 20 m/s x sin(30)

Vy = 10 m/s

Learn more about x and y components of velocity here: brainly.com/question/18090230

#SPJ1

3 0
1 year ago
you arrive at an intersection with traffic lights that arent working because of a power outage .what do you do
ElenaW [278]
Use it as a four way stop.
6 0
3 years ago
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