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iren2701 [21]
3 years ago
15

If she runs 3,223 meters each day and keeps this up for two weeks, how many miles will she have run

Physics
1 answer:
seropon [69]3 years ago
5 0

Answer:

28 miles

Explanation:

3,223 meters/day x 14 days = 45,122 meters

1 meter = 3.28 feet

45,122 meters = 148,000 feet

5280 feet = 1 mile

148,000 feet = 28 miles

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Determine the minimum amount of energy needed to move a satellite from its orbit around the Earth to an infinite distance from t
zmey [24]

Answer:19.80\times 10^{10} J

Explanation:

Given

mass of satellite m=7.45 \times 10^3 kg

orbital radius R=7.50\times 10^6 m

mass of Earth M=5.97\times 10^{24} kg

Minimum amount of Energy to move Satellite from its orbit to an infinite distance is sum of Potential Energy + Kinetic Energy of Satellite

W=U+K.E.

U=-G\frac{Mm}{R}

U=-6.67\times 10^{-11}\times \frac{5.97\times 10^{24}\times 7.45 \times 10^3}{7.50\times 10^6}

U=-\frac{296.658\times 10^{16}}{7.5\times 10^6}

U=-39.55\times 10^{10} J

K.E.=\frac{1}{2}\times mv^2

Where v=orbital\ velocity

v=\sqrt{\frac{GM}{r}}=\sqrt{\frac{6.67\times 10^{-11}\times 5.97\times 10^{24}}{7.50\times 10^6}}

v^2=5.30\times 10^7 m/s

K.E.=\frac{1}{2}\times mv^2

K.E.=\frac{1}{2}\times 7.45\times 10^3\times (5.30\times 10^7)=19.74\times 10^{10} J

W=-39.55\times 10^{10}+19.74\times 10^{10}

W=-19.80\times 10^{10} J

i.e. 19.80\times 10^{10} J Energy is required to provide to move Satellite out of its orbit

8 0
3 years ago
Which sentence uses the correct adverb to make a comparison?
Arturiano [62]
Option C would be the right one
8 0
3 years ago
a 1.25 kg block is attached to a spring with spring constant 17.0 n/m . while the block is sitting at rest, a student hits it wi
Lelu [443]

a 1.25 kg block is attached to a spring with spring constant 17.0 n/m . while the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46.0 cm/s .The amplitude of the subsequent oscillations 48.13 cm/s

a 1.25 kilogram block is fastened to a spring with a 17.0 newtons per meter spring constant. Given that K is equal to 14 Newtons per meter and mass equals 10.5 kg. The block is then struck with a hammer by a student while it is at rest, giving it a speedo of 46.0 cm for a brief period of time. The required energy provided by the hammer, which is half mv squared, is transformed into potential energy as a result of the succeeding oscillations. This is because we know that energy is still available for consultation. So access the amplitude here from here. He will therefore be equal to and by. Consequently, the Newton's spring constant is 14 and the value is 10.5. The velocity multiplied by 0.49

Speed at X equals 0.35 into amplitude, or vice versa. At this point, the spirit will equal half of K X 1 squared plus half. Due to the fact that this is the overall energy, square is equivalent to half of a K square or an angry square. amplitude is 13 and half case 14 x one is 0.35. calculate that is equal to initial velocities of 49 squares and masses of 10.5. This will be divided in half and start at about 10.5 into the 49-square-minus-14. 13.42 into the entire square in 20.35. dividing by 10.5 and taking the square as a result. 231 6.9 Six centimeters per square second. 10.5 into 49 sq. 14. 2 into a 13.42 square entire. then subtract 10.5 from the result to get the square. So that is 48.13cm/s.

To learn more about oscillations Please click on the given link:

brainly.com/question/26146375

#SPJ4

This is incomplete question Complete Question is:

a 1.25 kg block is attached to a spring with spring constant 17.0 n/m . while the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46.0 cm/s . what are The amplitude of the subsequent oscillations?

4 0
1 year ago
The simple act of walking requires single leg
OlgaM077 [116]

you are so wise how do you do it?

4 0
3 years ago
Read 2 more answers
What is it when you divide the total distance traveled by the total time
alexdok [17]

This is called average speed.Its really simple

4 0
3 years ago
Read 2 more answers
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