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Tomtit [17]
4 years ago
6

PLEASE HELP WILL GIVE BRAINLIEST (I NEED TWO PICKED) PLZzZZZZ AND THxS

Physics
1 answer:
vovangra [49]4 years ago
5 0

Answer:

A and B

Explanation:

They contain Chlorophyll

They are relatively tall

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Sergio [31]

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0.5mi/min

Explanation:

Velocity = change in distance/time taken

Velocity= (5-0)/(20-10)=5/10=0.5mi/min

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3 years ago
Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is
erica [24]
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A golf club experts an average force of 475 N for 0.006 seconds when it collides with a golf ball on a tee. What is the impulse
Ainat [17]

Answer: 2.85 N.s

Explanation: Impulse is the product of force and time or expressed in the following formula:

J = F x t

= 475 N x 0.006 s

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8 0
3 years ago
A spring has a force constant k, and an object of mass m is suspended from it. The spring is cut in half and the same object is
kenny6666 [7]

Answer:

f2/f1 = \sqrt{2}

Explanation:

From frequency of oscillation

f = 1/2pi *\sqrt{k/m}

Initially with the suspended string, the above equation is correct for the relation, hence

f1 = 1/2pi *\sqrt{k/m}

where k is force constant and m is the mass

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f2 = 1/2pi *\sqrt{2k/m}

Employing f2/ f1, we have

f2/f1 = \sqrt{2}

3 0
3 years ago
what polarity must the red tip of the compass needle be since it points toward the south pole of the magnet?
Marrrta [24]

Answer: positive

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3 years ago
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