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Blizzard [7]
3 years ago
6

ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.

Physics
2 answers:
arlik [135]3 years ago
5 0
3.8 x1017 is the correct answer
never [62]3 years ago
3 0

Answer:

3.8 x 10¹⁷ in

Explanation:

Light speed= 982,080,000 ft/s

year(time)= 32,000,000 seconds

converting ft/s to in/s for the speed of light:

1ft/s = 12 in/s

982,080,000 ft/s x 12in/s = 11,784,960,000 in/s ( speed of light in inches)

using the standard formula for speed:

V=\frac{Distance}{Time}

Distance( inches)= V (speed in/s) x Time (seconds)

Distance = 11,784,960,000 x 32,000,000

Distance≅ 3.8 x 10¹⁷ in

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A bicycle is ridden along a horizontal road with a driving force of 400, n,400n. its speed is constant at 12, m, slash, s,12m/s.
mr_godi [17]

The magnitude of the sum of the frictional forces acting on the bike and its rider is 400N.

<h3>What is friction force?</h3>

The friction force is the opposing force which acts on the object which is in relative motion.

The driving force is equal and opposite to the friction force acting between road and bicycle.

Friction force = 400N

The friction force between rider and bike is zero.

So the magnitude of sum of friction force = 400N +0 = 400N

Thus, the magnitude of the sum of the frictional forces acting on the bike and its rider.

Learn more about friction force.

brainly.com/question/1714663

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4 0
1 year ago
Find the current passing through a circuit consisting of a battery and one resistor. The resistance has a retance of 2ohms and t
Bingel [31]

The current passing through a circuit consisting of a battery of 12 V and resistor of 2 ohms is 6 Ampere .

Explanation:

  • Assume the wires are ideal with zero resistance.  
  • The current passing through the circuit will be  

           I = V/R = 12/2 = 6.000 A.

5 0
2 years ago
Why does it take much longer time and distance to stop a moving ship in water than a moving car on the road
Naddik [55]
The force on the ship is more than a car
6 0
3 years ago
The wind increases to 14 mph from the north. Now what is your airspeed and what direction are you flying? If your destination is
ladessa [460]

Answer:

I-

Explanation:

...

7 0
3 years ago
Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O? CaCO3 is a reactant; it is present before the reac
Marat540 [252]

Answer:

CaCl2 is a reactant

Explanation:

Calcium carbonate (CaCO3) is a reagent, it is found on the left side, what is found on the right side are the products.

6 0
3 years ago
Read 2 more answers
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