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Furkat [3]
3 years ago
8

The first step of making the scientific method involves making ----------

Physics
1 answer:
mel-nik [20]3 years ago
7 0
Answer: Objective Observations

Explanation: The first step in the Scientific Method is to make objective observations. These observations are based on specific events that have already happened and can be verified by others as true or false
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An Elephant is pulled by a group of clowns across a circus. The elephant has a mass of 1000kg and the clowns are pulling with a
GaryK [48]

Answer:

The acceleration of the elephant is 5m/s^2 (squared).

Explanation:

Given: Force=200N, Mass=1000kg

Required: acceleration=?

Equation: a=F/m

Solution: a=200N/1000kg

Answer: a=5m/s^2

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2 years ago
A light bulb is plugged into a wall outlet (220 V) and it uses 0.68 amps. What is the light bulb’s resistance?
Veronika [31]

Answer:

14.96 amps

Explanation:

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What are stars made from
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Which statement is true about a planet’s orbital motion?
lana66690 [7]

Answer:

Orbital motion results when the object’s forward motion is balanced by a second object’s gravitational pull.

Explanation:

The gravitational force is responsible for the orbital motion of the planet, satellite, artificial satellite, and other heavenly bodies in outer space.

When an object is applied with a velocity that is equal to the velocity of the orbit at that location, the body continues to move forward. And, this motion is balanced by the gravitational pull of the second object.

The orbiting body experience a centripetal force that is equal to the gravitational force of the second object towards the body.

The velocity of the orbit is given by the relation,

                                    V = \sqrt{\frac{GM}{R + h} }

Where

                   V - velocity of the orbit at a height h from the surface

                    R - Radius of the second object

                    G - Gravitational constant

                    h - height from the surface

The body will be in orbital motion when its kinetic motion is balanced by gravitational force.

                         1/2 mV^{2} = GMm/R

Hence, the orbital motion results when the object’s forward motion is balanced by a second object’s gravitational pull.

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3 years ago
What two major uses does this (H-R)diagram have for astronomers?
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