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Ipatiy [6.2K]
3 years ago
10

An object is given an initial velocity. What will happen to the object if no other forces act on it?

Physics
2 answers:
Daniel [21]3 years ago
8 0

Answer:

Explanation:

It'll continue to be in motion.

Check Newton first law of motion

Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force

victus00 [196]3 years ago
4 0

Explanation:

That means no Gravitational Force (g) acting on the object.

If we look the Newton's 2nd Law , we will see that the force (F) and gravitational force (g) is dependent each other , and the mass (m) is a coefficient between them.

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A block lying on an inclined plane has a weight of 50 N. It just begins to slide down when the inclination of plane with the hor
hjlf

Answer:

μ = tanθ = tan30 = 0.58

Explanation:

μ = force parallel/force perpendicular = mgsinθ/mgcosθ = tanθ

5 0
3 years ago
A jet airplane is traveling west from Austin, Texas to Miami, Florida. It has an average speed with no wind of 600 mph. An obser
katrin [286]

consider the west direction as positive direction of motion

V' = velocity of airplane relative to observer on ground = 580 mph

v = velocity of wind relative to observer on ground

V = average speed of airplane with no wind = 600 mph

relative velocity is given as

V' = V + v

inserting the values

580 = 600 + v

v = 580 - 600

v = - 20 mph

the negative sign indicates the direction of wind is opposite to direction of airplane , east

hence speed of wind is 20 mph in east direction.


7 0
4 years ago
Read 2 more answers
An electric motor has an effective resistance of 22 22 and an inductive reactance of 72 12 when working under load. The voltage
Alecsey [184]

Answer:

Current amplitude, I = 5.57 A

Explanation:

It is given that,

Effective resistance, R = 22 ohms

Inductive reactance, L = 72 ohms

Voltage of the alternating source, V = 420 volt

The total impedance of the RL circuit is given by :

Z=\sqrt{R^2+L^2}

Z=\sqrt{(22)^2+(72)^2}

Z = 75.28 ohms

From Ohm's law,

V=I\times Z

I=\dfrac{V}{Z}

I=\dfrac{420}{75.28}

I = 5.57 A

So, the current amplitude of the electric motor is 5.57 A. Hence, this is the required solution.

6 0
4 years ago
How is wind direction indicated on a weather map ?
kotegsom [21]
It uses arrows to show what way the wind is going
6 0
3 years ago
The core of the Sun is Group of answer choices
kap26 [50]

Answer:

2. much hotter and much denser than its surface

Explanation:

We know that the temperature around the center of the Sun is about 1.57×10⁷ K and its density is about 162 g/cm³.

Now, the temperature and the density decrease as one moves outward from the center of the Sun, the temperature at the surface of the sun is about 5×10³ K and the density as an average in the surface is about 1.4 g/cm³.

Therefore the answer is:

2. much hotter and much denser than its surface.  

I hope it helps you!

Have a nice day!

3 0
4 years ago
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