3 years ago

Select whether the statement is for Speed, Velocity, or Acceleration.

Chemistry

1 answer:

Vesna [10]3 years ago

4 0

Answer:

I think that the statement is relative to speed because it is saying km per second.

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A stone is dropped from the roof of a building; 2.00s after that, a second stone is thrown straight down with an initial speed o

Brut [27]

A) -0.5(9.8)*t^2 = -25(t-2) - 0.5(9.8)(t-2)^2
-4.9t^2 = -25t + 50 - 4.9(t^2-4t+4)
0 = -25t+50+19.6t - 19.6
5.4t = 30.4
t = 5.62962963 s

b) h = -4.9(5.62962963)^2
h = -155.2943759
the building is 155.2943759 m high

c) speed 0of first stone
= at
= 9.8*5.62962963
= 55.17037037 m/s
speed of second stone
= v + at
= 25+9.8*3.62962963
= 60.57037037 m/s

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3 years ago

What is the value of δg°' (or, to put it another way, the cost) when 2nadp+ and 2h2o are converted to 2nadph plus 2h+ plus o2?

svp [43]

The answer is 104.9, i dont know how though

4 0

3 years ago

Read 2 more answers

6. A box measures 11.25 inches in length, 8.1 inches in width and 6.85 inches in height. What is the

denis23 [38]

Answer:

I'd say 624.2^3 inches.