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3 years ago

What is the relationship betweeb sunlight and chlorophyll

Biology

1 answer:

Citrus2011 [14]3 years ago

3 0

Chlorophyll absorbs energy from sunlight.

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Please answer 8,9, and 10 for 20 points plus brainliest :) link=reported, those dont help

Alexeev081 [22]

Answer:

8. T= d/s = 139/13 = 11.1 seconds (rounded to 1dp)

9. d= sxt = 3 x 15 = 45m

10. d= sxt = 2.5 x 5 = 12.5m

Explanation:

3 0

3 years ago

What may be the ways for disaster management? clarify.

kompoz [17]

Answer:

Explanation:

1. Prevention:- The best way to address a disaster is by being proactive.

2. Mitigation:- Mitigation aims to minimize the loss of human life that would result from a disaster.

4. Preparedness.

5. Response.

6. Recovery.

Hope it helps.... :)

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2 years ago

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The efficiency of a machine can be increased by (a)decreasing distance (b)decreasing force (c)reducing friction (d)reducing work

BabaBlast [244]

C.....................

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3 years ago

Read 2 more answers

What does an autopsy require

Zinaida [17]

It requires to suck ah but

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3 years ago

the frequency of a wave in a stretched string depends on the length L, tension T and linear density m with dimension ML-1 . dedu

spin [16.1K]

Answer:

$f = \frac{1 }{L}\sqrt{\frac{T}{m} }$

Explanation:

Let the frequency ,

$f = L^{x}T^{y}m^{z}$

Now the unit of frequency is hertz = s⁻¹ = T⁻¹ where T is time, tension T = kgm/s² = MLT⁻¹ and linear density m = kg/m = ML⁻¹.

So,

$T^{-1} = L^{x}[MLT^{-2} ]^{y}[ML^{-1} ]^{z}\\$

collecting the like bases, we have

$T^{-1} = [L^{x + y -z}][M^{y + z} ][T^{-2y} ] \\L^{0} M^{0} T^{-1} = [L^{x + y -z}][M^{y + z} ][T^{-2y} ]$

Equating powers on both sides, we have

x + y - z = 0 (1)

y + z = 0 (2)

-2y = -1 (3)

From (3), y = 1/2

From (2), z = -y = -1/2

Substituting y and z into (1), we have

x + y - z = 0

x + 1/2 - (-1/2) = 0

x + 1/2 + 1/2 = 0

x + 1 = 0

x = -1

So,

$f = L^{x}T^{y}m^{z}\\f = L^{-1}T^{\frac{1}{2} }m^{\frac{-1}{2} }$

$f = \frac{1 }{L}\sqrt{\frac{T}{m} }$

8 0

3 years ago