3 years ago

Can you travel faster by not running forward ?

Physics

1 answer:

GrogVix [38]3 years ago

5 0

Yeah i think with a car or a plane:)

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An 1100kg car reached 30m/s in 9s from rest. What force did the engine provide?

malfutka [58]

Answer:

≅3666.67 N

Explanation:

Use Newton's 2nd law, F = ma where F=force applied, m = mass of the object,

a = acceleration acquired by the object.

a= (v-u)/t where v = final velocity, u = initial velocity and t = time taken

calculate a = (30-0)/9 ≅ 3.33 m/s2

Then F = 1100×a = 3666.67 N

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3 years ago

Which explicit definition matches this sequence? an={10,if n=1an−1−4,if n>1 A. an = 10 + 4(n – 1) B. an = 10 – 4(n – 1) C. an

Step2247 [10]

Answer:

Añ=10+4(n-1)

Explanation:

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A water wave travels 36 meters in 15 seconds. What is the speed of the wave?

atroni [7]

2.4 meters per second

I hope this helps

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3 years ago

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How do modern scientists describe the make up of matter

mojhsa [17]

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3 years ago

A tin atom has 50 electrons. Electrons in the ________ subshell experience the lowest effective nuclear charge.

Alexus [3.1K]

Answer:

Explanation:

We are given that a tin has 50 electrons.

We have to find in which subshell electrons experience the lowest effective nuclear charge.

We know that the electron in outermost shell experience the lowest effective nuclear charge.

Electronic configuration is given by

$50=1s^22s^22p^63s^23p^64s^23d^{10}4p^65s^24d^{10}5p^2$

Outer most sub-shell is 5p. Therefore, 5p subshell experience the lowest effective nuclear charge because the distance of 5p sub-shell is large from nucleus.

Answer: 5p

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3 years ago