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arsen [322]
3 years ago
7

The gravitational force strength on the moon is 1.63N/Kg if the rock on the moon weighs 200N how much does the same rock weigh o

n the earth
Physics
1 answer:
FromTheMoon [43]3 years ago
8 0

m = Q(on moon) * G(on moon) = 200N * 1.63N/kg = 326kg

Q(Earth)= g * m = 10m/s2 * 326kg = 3260N

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A series combination of two resistors, 7.25 ω and 4.03 ω, is connected to a 9.00 v battery.
almond37 [142]

a. 11.28\Omega

The equivalent resistance of a series combination of two resistors is equal to the sum of the individual resistances:

R_{eq}=R_1 + R_2

In this circuit, we have

R_1 = 7.25 \Omega\\R_2 = 4.03 \Omega

Therefore, the equivalent resistance is

R_{eq}=7.25 \Omega + 4.03 \Omega=11.28 \Omega

b. 5.8 V, 3.2 V

First of all, we need to determine the current flowing through each resistor, which is given by Ohm's law:

I=\frac{V}{R_{eq}}

where V = 9.00 V and R_{eq}=11.28 \Omega. Substituting,

I=\frac{9.00 V}{11.28 \Omega}=0.8 A

Now we can calculate the potential difference across each resistor by using Ohm's law again:

V_1 = I R_1 = (0.8 A)(7.25 \Omega)=5.8 V

V_2 = I R_2 = (0.8 A)(4.03 \Omega)=3.2 V

4 0
3 years ago
An Air Force plane lands with a velocity of 125 m/s and accelerates at a maximum rate of -6.5 m/s^2.
Alisiya [41]

Answer:

a) 19.2 s

b) No

Explanation:

Given:

v₀ = 125 m/s

a = -6.5 m/s²

v = 0 m/s

a) Find: t

v = at + v₀

(0 m/s) = (-6.5 m/s²) t + (125 m/s)

t ≈ 19.2 s

b) Find: Δx

v² = v₀² + 2aΔx

(0 m/s)² = (125 m/s)² + 2 (-6.5 m/s²) Δx

Δx ≈ 1200 m

An aircraft carrier that's 850 meters long won't be long enough.

8 0
4 years ago
A laser pulse takes 2.56 seconds to travel from Earth to the Moon and return. Use this to calculate how far away the Moon is. Ho
Deffense [45]

Answer:

x = 3.84\times 10^{5}\,km

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

Explanation:

The laser pulse has an ondulatory nature as electromagnetic wave, which can travel in the void. Speed of light is constant and distance between Earth and the Moon is:

x = 0.5\cdot c\cdot \Delta t

x = 0.5\cdot (3\times 10^{5}\,\frac{km}{s})\cdot (2.56\,s)

x = 3.84\times 10^{5}\,km

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

7 0
3 years ago
In the Balmer series, how many spectral lines have the wavelength greater than 400 nm?
Irina18 [472]

<span>The Balmer series or Balmer lines in atomic physics, is the designation of one of a set of six named series describing the spectral line emissions of the hydrogen atom. The Balmer series is calculated using the Balmer formula, an empirical equation discovered by Johann Balmer in 1885. this is all I know sorry</span>
4 0
3 years ago
What is the electric current measured in
cluponka [151]

An ampere (AM-pir), or amp

6 0
2 years ago
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