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pychu [463]
3 years ago
14

A greyhound's velocity changes from rest to 19 m/s in 2 seconds. What is the greyhound's average acceleration?

Physics
1 answer:
Andrew [12]3 years ago
6 0

It should be b)9.5m/s2

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Einstein calculated that ripples of gravity travel at exactly the speed of _____
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299,792,458 m/s = speed of light

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An atom with seven valence electrons would most likely lose an electron to become stable true or fasle
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Which factors affect gravitational potential force but not elastic potential energy
Inga [223]

Answer:

The mass of the object involved and the value of the gravitational acceleration

Explanation:

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- Elastic potential energy is defined as the energy possessed by an elastic object and it is given as:

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If an electron moves in a circle of radius 21 cm perpendicular to a B field of 0.4 T, what are the speed of the electron and the
kodGreya [7K]

Answer:

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v = 4.048 *10^6 m/s

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Explanation:

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v =  \frac{qBr}{m}

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Substituting the given values in above equation, we get -

v = \frac{3.2 * 10^{-19}*0.4*0.21}{6.64 * 10^{-27}} \\v = 4.048 *10^6m/s

b)  

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\frac{4.048 * 10^6 }{0.21} \\1.92 * 10^7

8 0
2 years ago
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