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I found an answer from www.khanacademy.com

Acceleration (video) | Khan Academy

Acceleration is also a vector quantity, so it includes both magnitude and direction. ... a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). ... So dividing by 3 would be the same as multiplying by 1/3. ... (1/1). The units can be cancelled in the same manner (km/km, hrs/hrs).

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I found an answer from primeribgillette.com

physics quiz units and measures

Jan 25, 2021 ... (ii) Which of the following is the unit used to measure time? ... and answers related to the topic of physical quantities and units. ... Convert units multi-step word problems (metric) Get 3 of 4 questions to level up! ... Practice the multiple choice questions to test understanding of important topics in the chapters.

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I found an answer from www.nasa.gov

Solar System Math

Step 2: Using the chart below, list what you know about our solar ... 3. EG-2007- 01-203-ARC. Name: Date: Math Review: Converting Units ... 1 gram = 100 centigrams ... Why is using kilometers to measure distances in our solar system a ... x m. Distance from Earth to the Sun in solar system. 1 AU. Step 2: Set this ratio equal ...

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I found an answer from www.quora.com

The gravitational constant has the units $m^3 kg^{-1} s^{-2 ... G must have SI units of N·m²/kg² because the SI is coherent. However, from F = ma, we know the newton reduces to kg·m/s². Substituting, G has units of ... For more information, see The gravitational constant has the units [math]m^3 kg^{-1} s^{-2 ... Teja 0 a) 1 kg m^2 s^{-2} = ....................g cm^2 s^{-2} 1 kilogram equivalent to one thousand grams (g) ( 1 kg = 1000 g ) One meter (m) equals one 100 centimeters (cm). 1 m = 100 cm 1 m^2 = 10^4 cm^2 1 kg m^2 s^{-2} = 1000 g * 10^4 cm^2 * s^{-2} 1kg m^2 s^{-2} = 10^{7} gcm^2s^{-2} b) 1 m = ............ ly (light year) Speed of light c = 3* 10^{8} m/s Time = 1 year = 365 * 24 * 60 * 60 = 31536000$ seconds﻿

\text{ speed } = \frac{\text{ Distance }}{\text{ time }}

\text{ Distance }=speed*time

\text{ Distance } = 3* 10^{8} * 31536000

\text{ Distance } = 9.5 * 10^{15} m

9.5 * 10^{15} m  =  1 light year

1 m = ?

1 m = \frac{1}{9.5 * 10^{15}} \text{ light years} = 1.1 * 10^{-16} \text{ light years}

c)   3.0 ms^{-2} = ...............kmh^{-2}

Converting seconds to hours

1 sec = \frac{1}{60 * 60} hours

$1 sec^2 = [\frac{1}{60 * 60}]^2 \text{ hours }^2$

Converting meters to kilometers

1 m = \frac{1}{1000} km

$3.0 ms^{-2} = 3.0 * \frac{1}{1000} km * [\frac{1}{60 * 60}]^{-2} h^{-2}$

3.0 ms^{-2} = 3 * 10^{-3} * (3600)^2 kg h^{-2}

3.0 ms^{-2} = 3.9 * 10^{4} kg h^{-2}

d)

G = 6.67 * 10^{-11} Nm^2 kg^{-2} = ................ cm^3 s^{-2} g^{-1}

1 \text{ newton } = 1 kg m s^{-2}

$G = 6.67 * 10^{-11} Nm^2 kg^{-2} = 6.67 * 10^{-11} [1 kg m s^{-2}] m^2 kg^{-2}$

G = 6.67 * 10^{-11} kg^{-1} m^3 s^{-2}

G = 6.67 * 10^{-11} (10^3)^{-1} g^{-1} (10^{2})^3 cm^{3} s^{-2}

G = 6.67 * 10^{-8} g^{-1}(cm)^{3} s^{-2}