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Gala2k [10]
3 years ago
15

To determine a waves' frequency, you must know the (2 points)

Physics
1 answer:
fenix001 [56]3 years ago
6 0

Answer:

b

<u>to</u><u> </u><u>determine</u><u> </u><u>the</u><u> </u><u>frequency</u><u> </u><u>you</u><u> </u><u>must</u><u> </u><u>know</u><u> </u><u>oscillations</u><u> </u><u>and</u><u> </u><u>the</u><u> </u><u>given</u><u> </u><u>time</u>

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What is the reversal experienced by an image formed in a plane mirror called?
Lerok [7]

Answer:

Lateral inversion

Explanation:

When an object is placed in front of a plane mirror, the appearance of the object on the plane mirror appears as a reversal of the object. This effect is known as lateral inversion.

Lateral inversion occurs as a result of the fact that light is reflected by a plane mirror. The image formed by the plane mirror is as far behind the mirror as the object is in front of it. Hence lateral inversion occurs because of the way our brains perceive images on a plane mirror. The mirror image of symmetrical letters and objects do not show lateral inversion.

4 0
4 years ago
A driver of a car traveling 14.6 m/s must slam on the brakes to avoid hitting a black bear crossing the road. If it takes 3.00 s
SVETLANKA909090 [29]

Answer:

a = (V2 - V1) / t = (0 - 14.6) / 3 = -4.87 m/s^2

It might be useful to convert 14.6 m/s to mph

14.6 m/s * 39.37 in/m = 575 in /s

575 in/s / 12 in/ft = 47.9 ft/sec

47.9 ft/s / 88 ft/sec *  60 mph = 32.6 mph

7 0
3 years ago
If a bowling ball rolls 12 meters in 2.2 seconds what is the speed ?
Evgesh-ka [11]

Answer:19000

Explanation:I don’t know

8 0
4 years ago
Do we have free will or is everything predestined?
S_A_V [24]
Predestination, in theology, is the doctrine that all events have been willed by God, usually with reference to the eventual fate of the individual soul. Explanations of predestination often seek to address the "paradox of free will", whereby God's omniscience seems incompatible with human free will.
4 0
3 years ago
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Which of the planets do not have moons?
lubasha [3.4K]

Answer:

Mercury and Venus

Explanation:

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4 years ago
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