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Novosadov [1.4K]
3 years ago
5

Why is it correct to say that the linear electron flow of the light reactions directly captures energy in nadph but only indirec

tly captures energy in atp?
Physics
1 answer:
denis-greek [22]3 years ago
5 0

Answer:

he electron is directly transferred to NADP+ to NADPH, but electron flow is used to generate a proton gradient for ATP synthesis. Electron is not directly transferred to ATP

NADP= Nicotin amide adenine dinucleotide phosphate

NADPH =Nicotinamide adenine dinucleotide phosphate is the reduced form of  NADP

therefore electron is not directly transferred to ATP

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Objects A and B, of mass M and 2M respectively, are each pushed a distance d straight up an inclined plane by a force F parallel
krek1111 [17]

Answer:

The correct answer is <u>option (A) that is KEA > KEB .</u>

Explanation:

Let us calculate -

If the object is straighten up and inclined plane , the work done is

W=F_d- F_f_r_id-F_gh

W=F_d-\mu_kmgdcos\theta-mgdsin\theta

The change in kinetic energy is ,

   \Delta K=\frac{1}{2}mv^2-\frac{1}{2}m\nu_0^2

At the top of the inclined plane , the velocity is zero

So,

\Delta K=\frac{1}{2} m(0)^2-\frac{1}{2}m\nu_0^2

\Delta KE=-\frac{1}{2}m\nu_0^2

From the work energy theorem , we have W=-\Delta K in case of friction , so

\frac{1}{2}m\nu_0^2=Fd-\mu_kmgdcos\theta-mgdsin\theta

KE=Fd-\mu_kmgdcos\theta-mgdsin\theta

For object A-

KE_A=Fd-\mu_kmgdcos\theta-mgdsin\theta

For object B

KE_B= Fd -2\mu_kMgdcos\theta-2Mgdsin\theta

KE_B= Fd -2(\mu_kMgdcos\theta-Mgdsin\theta)

Thus , larger mass is going to mean less total work and a lower kinetic energy .

From the above results , we get

KE_A >KE_B

<u>Therefore , option A is correct .</u>

6 0
3 years ago
The following equation shows the position of a particle in time t, x=at2i + btj where t is in second and x is in meter. A=2m/s2,
katen-ka-za [31]

(a) The average velocity of the particle in the time interval t₁=2sec and t₂=3sec is 10 m/s.

(b) The velocity and acceleration at any time t is v =  (4ti + j) m/s and a = a = 4i m/s²

(c)  The average acceleration in the time interval given in part (a)​ is 3.98 m/s².

<h3>Position of the particle</h3>

x = at²i + btj

x = 2t²i + tj

<h3>Average velocity, at t₁=2sec and t₂=3sec</h3>

Δv = Δx/Δt

x(2) = 2(2)²i + 2j

x(2) = 8i + 2j

|x(2)| = √(8² + 2²) = 8.246

x(3) =  2(3)²i + 3j

x(3) = 18i + 3j

|x(3)| = √(18² + 3²) = 18.248

Δv = (18.248 - 8.246)/(3 - 2)

Δv =  10 m/s

<h3>Velocity and acceleration at any time, t</h3>

v = dx/dt

v =  (4ti + j) m/s

a = dv/dt

a = 4i m/s²

<h3>Average acceleration</h3>

v(2) = 4(2)i + j

v(2) = 8i + j

|v(2)| = 8.06 m/s

v(3) = 4(3)i + j

v(3) = 12i + j

|v(3)| = 12.04 m/s

a = (12.04 - 8.06)/(3 - 2)

a = 3.98 m/s²

Learn more about average acceleration here: brainly.com/question/104491

#SPJ1

6 0
2 years ago
PLEASE HELP WILL GIVE BRAINLESS ANSWER
muminat
Polar bears because they thrive in arctic conditions. But interestingly enough there have been some claims that they might be mating with grizzly bears to pass their genes on. But don't know the latest on that.

probably the arctic foxes too and the Greenland shark. Seabirds As Well

hope that helps :))
4 0
3 years ago
What is the difference between mass and weight?
xxTIMURxx [149]

Answer:

C.  Mass is independent of the force acting on the mass.

Weight depends on the gravitational force acting on the mass.

Example:  A mass of 1 kg on the earth still has a mass of 1 kg on the moon;

whereas the weight of that mass on earth is 9.8 N and only 1/6 of that amount on the moon.

4 0
3 years ago
6th grade science I mark as brainliest
Mila [183]

Answer:

8. organelle

Explanation:

9. Epithelial tissue

am i correct?

8 0
3 years ago
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