4 years ago

What is the speed of a bobsled whose distance-time graph indicates that it traveled 124m in 26s

1 answer:

5 0

It's average speed during that 26 seconds was about 4.77 m/s. Without seeing the graph, we can't tell if it was going faster or slower at any particular time during that period. All we can tell is its average for the full interval.

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momentum A proton interacts electrically with a neutral HCl molecule located at the origin. At a certain time t, the proton’s po

arlik [135]

Answer:

$\ m/s$

Explanation:

F = Force =

m = Mass of proton = $1.7\times 10^{-27\ kg$

t = Time taken = $2\times 10^{-14}\ s$

Acceleration is given by

$a=\dfrac{F}{m}\\\Rightarrow a=\dfrac{}{1.7\times 10^{-27}}\\\Rightarrow a=\ m/s^2$

$v=u+at\\\Rightarrow v=+\times 2\times 10^{-14}\\\Rightarrow v=+\times 2\times 10^{-14}\\\Rightarrow v=+\\\Rightarrow v=\ m/s$

The velocity of the proton is $\ m/s$

6 0

4 years ago

If a 15 N box is lifted a distance of 3 m, how much work is done?

Naily [24]

Answer:

W=45J

Explanation:

W=Fd

W=15(3)=45

W=45J

7 0

3 years ago

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What is your understanding of repetition and replication in science?

strojnjashka [21]

From my understanding, the two are opposite. Let me give you each word and what it scientifically means to me.

repetition
occurs when an activity is repeated by the same person

replication
occurs when an activity is repeated by a different person

I hope this completely answers your question! If you need further explanation, please let me know!
~Brooke❤️

5 0

3 years ago

Water which contains large amounts of calcium dissolved within it results from

Helga [31]

Answer: B

Explanation:

The other options have nothing to do with the water apart from transporting it.

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3 years ago

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If an atom had a nucleus 1 ft in diameter, what would be the diameter of the atom, in miles? (1 mi = 5,280 ft)

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