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Furkat [3]
3 years ago
6

Why chloroplasts are found only in plant cell?

Physics
1 answer:
marin [14]3 years ago
3 0
Chloroplast is only found in plant cells because they omit a green pigment which is highly
Important for photosynthesis. Hope it helps!
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If it takes 50.0 seconds to lift 10.0 Newtons of books to a height of 7.0
Ilya [14]
Work of the force = 10 N

Time required for the work = 50 sec

Height = 7 m

We are given with the value of work and time in the question.

Substitute the values in the formula of power and then you'll get the power required.

We know that,

w = Work

p = Power

t = Time

By the formula,

Given that,
Work (w) = 7 m = 70 Joules
Time (t) = 50 sec
Substituting their values,

p = 70/50

p = 1.4 watts

Therefore, the power required is 1.4 watts.

Hope it helps!
3 0
3 years ago
A 20 g sparrow flying toward a bird feeder mistakes the pane of glass in a window for an opening and slams into it with a force
Rama09 [41]
I found this using the app Socratic. When I took physics in high school it helped me so much.

5 0
4 years ago
A jet aircraft is traveling at 262 m/s in hor-
NeTakaya

Solution :

Speed of the air craft, $S_a$ = 262 m/s

Fuel burns at the rate of, $S_b$ = 3.92 kg/s

Rate at which the engine takes in air, $S_{air}$ = 85.9 kg/s

Speed of the exhaust gas that are ejected relative to the aircraft, $S_{exh}$ =921 m/s

Therefore, the upward thrust of the jet engine is given by

$F=S_{air}(S_{exh}-S_a)+(S_b \times S_{exh})$

F = 85.9(921 - 262) + (3.92 x 921)

   = 4862635.79 + 3610.32

   = $4.8 \times 10^6 \ N$

Therefore thrust of the jet engine is $4.8 \times 10^6 \ N$.

3 0
3 years ago
What is a single cell organism able to do?
Sunny_sXe [5.5K]
Survived on its own.
7 0
3 years ago
Read 2 more answers
What is the chemical name for a sand
vovikov84 [41]
It is known as silicon dioxide or silica!

Hope this helps!
7 0
3 years ago
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