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vivado [14]
3 years ago
6

Use the crisscross method to find the chemical formula for the ionic compound formed by strontium (Sr) and bromine (Br).​

Physics
2 answers:
nignag [31]3 years ago
8 0

Answer:it’s c SrBr2

Explanation:

Vikentia [17]3 years ago
3 0

Answer above is correct

Explanation:

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Outside our solar system the closest star to earth is Proxima century life from the start takes 2200000 minutes to reach earth.
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Answer:

2200000 = 2.2E6 min for light from Proxima to reach earth

8.3 min from light sun to reach earth

2.2E6/8.3 = 2.56E5   times for light from Proxima

Proxima is about 256,000 times farther away than the sun

Since the sun is about 93,000,000 = 9.3E7 miles from earth

Proxima is then 9.3E7 * 2.56E5 = 2.4E13 miles away

Note - the speed of light is

3.00E8 m/s * 60 s/min / 1000 m/km = 1.8E7 km/min as given

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2 years ago
True or false it is impossible to determine weather you are moving unless you can touch another object
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Answer: false

Explanation:

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3 years ago
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The linear velocity of a rotating object is the product of the angular velocity and the radius of the circular motion. Angular velocity is the rate of the change of angular displacement of a body that is in a circular motion. It is a vector quantity so it consists of a magnitude and direction. From the problem, the angular velocity is 5.9 rad per second and the radius is given as 12 centimeters. We calculate as follows:

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The linear velocity of the body in motion is 70.8 centimeters per second or 0.708 meters per second.
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