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pantera1 [17]
3 years ago
14

in a football game, the kicker kicks a football a horizontal distance of 43 yards if the ball lands 3.9 seconds later, what is t

he balls horizontal velocity
Physics
1 answer:
erica [24]3 years ago
7 0

Answer:

10s

Explanation:

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A. 24.89<br> B. 25.89<br> C. 17.74<br> D. 19.73
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Answer: D

Explanation:

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5 0
2 years ago
The Capacitive reactance of a 0.094uF capacitor when a frequency of 25kHz is applied is lus 68 Ohms 0.68 Ohms luf
Nana76 [90]

Answer:

Capacitive reactance of the capacitor is 68 ohms

Explanation:

It is given that,

Capacitance, C=0.094\ \mu F=0.094\times 10^{-6}\ F

Frequency, f=25\ kHz=25\times 10^3\ Hz

Capacitive reactance is given by :

X_C=\dfrac{1}{2\pi fC}

X_C=\dfrac{1}{2\pi 25\times 10^3\times 0.094\times 10^{-6}}

X_C=67.72\ \Omega

or

X_C=68\ \Omega

So, the capacitive reactance of the capacitor is 68 ohms. Hence, this is the required solution.

8 0
2 years ago
Who is the greek philisopher who came up with the idea that atoms exist
Mariulka [41]

Greek philosophers Leucippus and Democritus first developed the concept of the atom in the 5th century B.C.E.

4 0
2 years ago
Scientists have measured the distance between the Earth and the Moon by reflecting a beam of laser
FrozenT [24]

Answer:

a)speed of light.

a)speed of light×time=distance.

Explanation:

light has a constant speed of 299,792,458m/s

5 0
2 years ago
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