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emmainna [20.7K]
3 years ago
14

If you take rocks from the Earth to the moon (5 points)

Physics
2 answers:
Lemur [1.5K]3 years ago
8 0
the mass would remain the same and the weight would change. mass defines the actual amount of an object, while weight is the force gravity has on that object. gravity is different on the moon and the earth therefore the weight will change
katrin2010 [14]3 years ago
4 0

Answer:

the mass would remain the same and the weight would change

Explanation:

Mass can be thought of as the amount of matter an object has, this quantity is a constant, it will not change even if the rocks are carried to the moon.

What will change is the weight, since it is defined as:

w = mg

where w is the weight, m is the mass and g is the acceleration due to gravity.

We said the mass stays the same, but the acceleration g on the moon will be different (smaller) than the acceleration g on the earth.

So because the weight depends on the acceleration of gravity, if the rocks are taken to the moon where that acceleration is different, the rocks will have a different weight.

So the answer is: the mass would remain the same and the weight would change

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_________ is stored energy.
Ivan

Answer:

I think so is b kinetic o a potential

5 0
3 years ago
Which vector shows the velocity of the yo-yo at this moment?
Helga [31]

The vector which shows the velocity of the yo-yo at this moment is A and is denoted as option A.

<h3>What is Velocity?</h3>

This is referred to the rate of change of distance with time and the unit is metre per seconds.

A shows the direction of motion is same as the direction of velocity and is the tangent at that particular point hence why it was chosen as the most appropriate choice.

Read more about Velocity here brainly.com/question/6504879

#SPJ1

6 0
2 years ago
How much energy in Joules (J) would an electric heater that draws 9.5 A when connected to a 120 V supply use if the heater were
leonid [27]
<h2>Energy used by heater is 8.21 x 10⁶ J</h2>

Explanation:

Energy = Power x Time

Power = Voltage x Current

Voltage = 120 V

Current = 9.5 A

Power = Voltage x Current

Power = 120 x 9.5 = 1140 W

Time = 2 hours = 2 x 60 x 60 = 7200 s

Energy = Power x Time

Energy = 1140 x 7200

Energy = 8208000 J

Energy used by heater is 8.21 x 10⁶ J

7 0
4 years ago
1. Some ripples spread across a pond with a frequency of 5 Hz. How much would be the period of these ripples.
Scilla [17]

1)The period of these ripples will be 0.2 sec.

2)The time period of sound wave will be 100 Hz.

3)The frequency of the sound wave will be 5×10⁶ Hz.

<h3>What is frequency?</h3>

Frequency is defined as the number of repetitions of a wave occurring waves in 1 second.

Frequency is given by the formula as,

Frequency of  ripples (f₁)=5 Hz

The period of these ripples will be;

T₁=1/f₁

T₁=1/5

T₁=0.2 sec

The time period of sound wave (T)=0.01 seconds

The time period of sound wave;

f=1/T

f=1/0.01

f=100 Hz

Time period of A radio wave = 0.0000002 seconds

The frequency of the sound wave is;

f=1/T

f=1/0.0000002

f=5×10⁶ Hz

Hence,the period of these ripples will be 0.2 sec.

To learn more about the frequency, refer to the link;

brainly.com/question/14926605

#SPJ1

6 0
3 years ago
A uniform electric field exists everywhere in the x,y plane. The electric field has a magnitude of 3500 N/coil, and is directed
alexandr402 [8]

Answer:

5525 N/C

Explanation:

Magnitude of electric field ( E ) = 3500 N/c

Direction of electric field : positive X axis

point charge ( q ) = -9.0 * 10^-9

<u>Calculate the Magnitude of the net electric field  at (a) x = -0.20 m</u>

Magnitude =  5525 N/C

Electric field due to q = ( 9 * 10^9 * 9 * 10^-9 ) / ( -0.2 )^2  

                                    = 81 / 0.04 = 2025 N/c

<em>Therefore the magnitude of the net electric field </em>

= 2025 + 3500

= 5525 N/C

6 0
4 years ago
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