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posledela
3 years ago
5

A light wave has a wavelength of 0.015 m. What is the frequency of this light wave? (1 point)

Physics
1 answer:
Tanya [424]3 years ago
3 0

Answer:

2 x 10^10

Explanation:

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three different-mass projectiles are launched at different angles of elevation from the top of a building. each particle has the
MrRa [10]

The correct option is b. The one with the lowest mass.

An object's kinetic energy is determined by

k=1/2mv^2

where

m is the object's mass.

v is the object's speed.

The three missiles in this puzzle have varying masses but the same beginning kinetic energy.

The three projectiles will all have the same kinetic energy when they hit the ground because mechanical energy is conserved, assuming there is no air resistance (because the potential energy that they have lost is the same, since they have been launched from the same height, and they reach the same final altitude, the ground).

hence,

K1=k2=k3

To know more about kinetic energy refer to brainly.com/question/14604194

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1 year ago
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No. 
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3 years ago
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bezimeni [28]
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3 years ago
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Gnoma [55]

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3 0
2 years ago
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What is the mass of a crate if a net force of 12 N gives the crate an acceleration of 0.20 m/s2?
Veseljchak [2.6K]
A :-) for this question , we should apply
F = ma
Given - F = 12 N
a = 0.20 m/s^2
Solution -
F = ma
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m = 12 by 0.20
m = 60 kg

.:. The mass is 60 kg.
8 0
2 years ago
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