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Elza [17]
3 years ago
15

The ice sheet on antarctica has uniform depth true or false

Physics
1 answer:
Darina [25.2K]3 years ago
5 0
I believe the answer would be True.
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Before we can use parallax to measure the distance to a nearby star, we first need to know
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<span>Before we can use parallax to measure the distance to a nearby star, we first need to know the Earth-Sun distance.
Not before we find out what the distance between our planet and the Sun is can we use the parallax to measure the distance to a nearby star.
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The wind is blowing in the direction of a vector pointing at an angle 30 degrees to the east of due north, at 35 miles/hour. An
a_sh-v [17]

Answer:

Time for the first plane to cover 1 degree of latitude is 0.2hour

Time for the second plane to cover 1 degree of latitude is 0.203hour

Explanation:

Check attachment for solution

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3 years ago
Describe how the horizontal position of The baseball varies overtime is the change in position constant variable? Why might this
Scrat [10]

Answer:

When you hit a baseball with a bat, you are applying a force only in the time while the bat is in contact with the ball, after that, the horizontal speed of the ball is constant. (if you ignore the friction of the air)

This happens because of the second Newton's law:

Force is equal to mass times the acceleration or:

F = m*a

If we do not have a force, then we do not have acceleration.

This means that the change in position for a fixed amount of time is constant, so horizontal speed is constant.

3 0
3 years ago
A circuit with a 12 V battery and lamp has a current of 3 A. What is the resistance of the lamp?
Arturiano [62]
Chicken is the resistance of the lamp
6 0
2 years ago
8. A 20 newton object is pulled along a surface at a constant speed of 3.0 meters per second using a force of 4.5 newtons. The k
tia_tia [17]

To calculate the kinetic coefficient of friction is closest to: 1. 0.23.

<u>Given the following data:</u>

  • Horizontal force = 4.5 Newton
  • Normal force = 20 Newton
  • Speed = 3.0 m/s

To calculate the kinetic coefficient of friction:

Mathematically, the kinetic force is given by this formula;

F_k = uF_n

<u>Where;</u>

  • F_k represents the kinetic force.
  • F_n is the normal force.
  • μ represents the kinetic coefficient of friction.

Making μ the subject of formula, we have:

u=\frac{F_k}{F_n}

Substituting the given parameters into the formula, we have;

u=\frac{4.5}{20}

u = 0.225 ≈ 0.23

Read more on kinetic coefficient of friction here: brainly.com/question/13940648

6 0
2 years ago
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