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Dmitrij [34]
3 years ago
10

2. Which activity requires a scientist to use

Physics
2 answers:
Alecsey [184]3 years ago
6 0

Answer:

c please mark me as brainiest

Explanation:

harina [27]3 years ago
5 0

Answer:

<h3>Sorry i didn't know about this question and sorry please don't mind...</h3>

Explanation:

<h3> bro can you please help me can you please mark's me as brainliests please...</h3>

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How does the earth orbit the sun?
scoray [572]

Answer:

The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.

Explanation:

Hope that helps

6 0
2 years ago
(SCIENCE) 22 POINTS AND CROWN ASAP
gayaneshka [121]

Answer:

A or D

Explanation:

Net force includes addition or subtraction.

5 0
3 years ago
Which phrases describe all the outer planets’ motion? Check all that apply.
uranmaximum [27]

Answer: slow revolution and fast rotation

Solar system has 8 planets. 4 inner rocky planets - Mercury, Venus, Earth and Mars and 4 outer gaseous planets - <u>Jupiter, Saturn, Uranus and Neptune.</u>  The outer planets have few common features.

They are gaseous. There  period of revolution is larger than the inner planets which means that they have slow revolution about the Sun. One day on the outer planets is smaller than the inner planets which means they have fast rotation.

<u>For example,</u> Jupiter has revolves around sun in 11.86 Earth years and rotates about axis in 9.8 Earth hours. Uranus revolves around sun in 84 Earth years and rotates on its axis 17.9 Earth hours.

8 0
3 years ago
Read 2 more answers
How much power does device use that is plugged into an outlet with a voltage difference of 150 V if the current is 15 A? Show me
Alexeev081 [22]

Answer:

Power used = VI

= 150 x 15

= 2250 W

Hope this helps!

5 0
3 years ago
Read 2 more answers
You connect a 100-resistor, a 800-mH inductor, and a 10.0-uF capacitor in series across a 60.0-Hz, 120-V (peak) source. The impe
steposvetlana [31]

Answer:

Impedance, Z = 107 ohms

Explanation:

It is given that,

Resistance, R = 100 ohms

Inductance, L=800\ mH=800\times 10^{-3}\ H=0.8\ H

Capacitance, C=10\ \mu F=10\times 10^{-6}\ F=10^{-5}\ F

Frequency, f = 60 Hz

Voltage, V = 120 V

The impedance of the circuit is given by :

Z=\sqrt{R^2+(X_C-X_L)^2}...........(1)

Where

X_C is the capacitive reactance, X_C=\dfrac{1}{2\pi fC}

X_C=\dfrac{1}{2\pi \times 60\times 10^{-5}}=265.65\ \Omega

X_L is the inductive reactance, X_L={2\pi fL}

X_L={2\pi \times 60\times 0.8}=301.59\ \Omega

So, equation (1) becomes :

Z=\sqrt{(100)^2+(265.65-301.59)^2}

Z = 106.26 ohms

or

Z = 107 ohms

So, the impedance of the circuit is 107 ohms. Hence, this is the required solution.

8 0
3 years ago
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