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3 years ago

15

describe why people are better off not consuming an additional good or service if the marginal cost is greater than the marginal

benefit.

1 answer:

yulyashka [42]3 years ago

3 0

I hosestly don’t know sorry need the points

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A substance freezes at -58c therefore substance melts at ?

Yanka [14]

The freezing point is the same as the melting point.

If it freezes at -58°C, hence the melting point is also <span>-58°C.</span>

3 0

3 years ago

Light from an argon laser strikes a diffraction grating that has 4,917 lines per cm. The first-order principal maxima are separa

miss Akunina [59]

Answer:

Wavelength is 4.8x10^-7m

Explanation:

See attached file

3 0

3 years ago

The sleigh is being pulled with a force of 800N and has a mass of 200 Kg.

kiruha [24]

The answer is 4 m/s/s

4 0

3 years ago

Read 2 more answers

An automobile is traveling on a long, straight highway at a steady 76.0 mi/h when the driver sees a wreck 180 m ahead. at that i

masha68 [24]

a) The car’s speed just after leaving the icy portion of the road is the first part

We have s = ut + $\frac{1}{2} at^2$

Here s = 130 m, a = -1.2 $m/s^2$ , u = 76 mile/hr = 33.975 m/s

$130 = 0*t - 0.5*(-1.2)*t^2\\ \\ \\ t=14.72 seconds$

After 14.72 seconds cars speed is given by v =u +at

u = 33.975m/s, a = -1.2 $m/s^2$

v = 33.975-1.2*14.72 = 16.31 m/s

So velocity of car on leaving icy surface = 16.31 m/s

b) Time taken after icy surface

0 = 16.31 - 7.10*t

t = 2.23 seconds

Distance traveled during this time

$v^2 = u^2+2as\\ \\ 0 = 16.31^2 - 2*7.10*s\\ \\ s = 18.74 m$

Total distance traveled = 130+18.74 = 148.74 m

c) Total time taken = 14.72+2.23=16.95 seconds

3 0

3 years ago

PLEASE HELP ME WITH THISSSS

bija089 [108]

Answer:

she will move in the same direction at the same speed forever.

Explanation:

If there are no outside forces like gravity the net force will never change, she will just keep flying for forever and ever! poor lady

7 0

3 years ago