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MaRussiya [10]
3 years ago
15

Help asap I will give brainleast

Physics
1 answer:
NARA [144]3 years ago
5 0
3rd option. Plant D and E did not have enough radiant energy
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Chris shoots an arrow up into the air. The height of the arrow is given by the function h(t) = - 16t2 + 64t + 23 where t is the
Ghella [55]

Completing the square gives the answer right away.

-16t^2+64t+23=-16(t^2-4t)+23=-16(t^2-4t+4-4)+23=-16((t-2)^2-4)+23

\implies h(t)=-16(t-2)^2+87

which indicates a maximum height of 87 when t=2.

7 0
3 years ago
Read 2 more answers
During World War II, France, the United States, Russia, and Great Britain composed the:
leva [86]
Allied is the right answer, ig.
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3 years ago
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Which physical property causes you to lean to one side when the bus you're travelling and take the Sharp turn
Zinaida [17]
Inertia of direction is the answer
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3 years ago
A 2.0 kg block on a horizontal frictionless surface is attached to a spring whose force constant is 590 N/m. The block is pulled
SVETLANKA909090 [29]

Answer:

The  value is  v =  -0.04 \  m/s

Explanation:

From the question we are told that

   The  mass  of the block is  m  =  2.0 \ kg

   The  force constant  of the spring is  k  =  590 \ N/m

   The amplitude  is  A =  + 0.080

   The  time consider is  t =  0.10 \  s

Generally the angular velocity of this  block is mathematically represented as

      w =  \sqrt{\frac{k}{m} }

=>   w =  \sqrt{\frac{590}{2} }

=>   w = 17.18 \  rad/s

Given that the block undergoes simple harmonic motion the velocity is mathematically represented as  

         v  =  -A w sin (w* t )

=>       v  = -0.080 * 17.18 sin (17.18* 0.10 )

=>       v =  -0.04 \  m/s

7 0
4 years ago
Two extremely large nonconducting horizontal sheets each carry uniform charge density on the surfaces facing each other. The upp
sashaice [31]

This problem refers to a parallel plate capacitor. There is an electric field between the two plates. The working equation to be used is the Gauss’s Law which is

Electric field = Surface charge density / ε0

The answer is -2.52 μC/m2.

8 0
3 years ago
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