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Musya8 [376]
3 years ago
10

Determine the weight or mass of the object.

Physics
1 answer:
Lera25 [3.4K]3 years ago
6 0

Answer:

A: 9.99322kg

B: 6.86465N

C: 137.293N

D: 0.09993219kg

Explanation:

I just used a calculator, but one kg is 9.80665 Newtons for a reference point.

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Answer: option B: conduction.

Conduction is the heat transfer that happens between two bodies in direct contact, due to the collision of the molecules, atoms and electrons within the body (microscopical level).
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3 years ago
A microfarad capacitor is charged via a 12v battery. there is 1 kohms resistor in series with the capacitor. how much current is
olga2289 [7]
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7 0
3 years ago
A ball is thrown vertically upward from the ground. Its distance in feet from the ground in t seconds is s equals negative 16 t
marishachu [46]

Answer:

t₁ = 3 s

Explanation:

In this exercise, the vertical displacement equation is not given

        y = 240 t + 16 t²

Where y is the displacement, 240 is the initial velocity and 16 is half the value of the acceleration

Let's replace

      864 = 240 t + 16 t²

Let's solve the second degree equation

    16 t² + 240 t - 864 = 0

Let's divide by 16

    t² + 15 t - 54 = 0

The solution of this equation is

     t = [-15 ± √(15 2 - 4 1 (-54)) ] / 2 1

     t = [-15 ±√(225 +216)] / 2

     t = [-15 + - 21] / 2

We have two solutions.

     t₁ = [-15 +21] / 2

     t₁ = 3 s

     t₂ = -18 s

Since time cannot have negative values, the correct t₁ = 3s

4 0
3 years ago
AYE I NEED HELP!<br> Which two things balance and keep a main sequence star in equilibrium?
gladu [14]

Answer:

While self-gravity pulls the star inward and tries to make it collapse, thermal pressure (heat created by fusion) pushes outward. These two forces cancel each other out in a main sequence star, thus making it stable.

Explanation:

7 0
2 years ago
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kykrilka [37]
4 years to orbit the sun



8 0
3 years ago
Read 2 more answers
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