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stira [4]
3 years ago
6

The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? A. Newton B. Davisson and Germer

C. Fresnel, Fraunhofer, and Arago D. Maxwell
Physics
2 answers:
astraxan [27]3 years ago
6 0

Answer:

D

Explanation:

vladimir2022 [97]3 years ago
5 0
Maxwell that's the right one. hope I helped
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At the instant a traffic light turns green, a car starts with a constant acceleration of 1.3 m/s2. At the same instant a truck,
Bas_tet [7]

Answer:

(a) Distance traveled = 75.3846 m

(b) Velocity of car at that instant will be 14 m/sec

Explanation:

We have given acceleration of the car a=1.3m/sec^2

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(a) According to second equation of motion we know that s=ut+\frac{1}{2}at^2

So distance traveled by car s_c=0\times t+\frac{1}{2}\times 1.3t^2=0.65t^2

As the truck is moving with constant speed

So distance traveled by truck s_t=ut=7t

As the truck overtakes the car

So s_c=s_t

0.65t^2=7t

t=10.769sec

So distance traveled s_c=s_t=7\times 10.769=75.3846m

(b) From second equation of motion we know that v = u+at

So v = 0+1.3×10.769 = 14 m /sec

7 0
3 years ago
scientific endeavor is a purely positive action that does not sometimes cause potentially harmful results.
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I think that the question is simply asking whether the statement is correct.

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