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Umnica [9.8K]
3 years ago
8

Which statement best describes air pressure at high altitudes?

Physics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

Air pressure decreases as altitude increases.

Explanation:

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Which statement is true about the type of light used by plants to make sugar during photosynthesis? Group of answer choices
denis-greek [22]

Answer:

4. It is infrared.

Explanation:

the photosystems on the chlorophyll absorb light at 600-700nm

3 0
3 years ago
) a 1.0 kilogram laboratory cart moving with a velocity of 0.50 meter per second due east collides with and sticks to a similar
ZanzabumX [31]
Momentum would be the same before and after the collision
 Before the collision:
 Momentum of the single cart: 1 * 0.50 = 0.50
 After the collision
 velocity = 0.25m / s
 1 * 0.25 + 1 * 0.25 =
 0.25 * (1 + 1) =
 0.25 * 2 =
 0.50
 Now new momentum will be 0.5
 answer
 the same before and after the collision
4 0
4 years ago
Read 2 more answers
A planet outside of our solar system
Zolol [24]

Answer:

exoplanets is any planet beyond our solar system.

4 0
3 years ago
A solenoid having an inductance of 5.41 μH is connected in series with a 0.949 kΩ resistor. (a) If a 16.0 V battery is connected
vekshin1

Answer:

(A) 9.14\times 10^{-9}sec

(B) 6.20\times 10^{-3}A

Explanation:

We have given inductance L=5.41\mu H=5.41\times 10^{-6}H

Resistance R=0.949kohm=0.949\times 10^3ohm

Time constant of RL circuit is equal to \tau =\frac{L}{R}

\tau =\frac{5.41\times 10^{-6}}{0.949\times 10^3}=5.70\times 10^{-9}sec

Battery voltage e = 16 volt

(a) It is given current becomes 79.9% of its final value

Current in RL circuit is given by

i=i_0(1-e^{\frac{-t}{\tau }})

According to question

0.799i_0=i_0(1-e^{\frac{-t}{\tau }})

e^{\frac{-t}{\tau }}=0.201

{\frac{-t}{\tau }}=ln0.201

{\frac{-t}{5.7\times 10^{-9} }}=-1.6044

t=9.14\times 10^{-9}sec

(b) Current at t=\tau sec

i=i_0(1-e^{\frac{-t}{\tau }})

i=\frac{16}{0.949\times 10^3}(1-e^{\frac{-\tau }{\tau }})

i=6.20\times 10^{-3}A

3 0
3 years ago
Plz I need help with number 1 !!!
Darya [45]
Speed-up
slow-down
change direction
5 0
3 years ago
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