Night vision is the ability to see in low-light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range.

8 0

3 years ago

A b c or d for not heat

Levart [38]

Answer:

Explanation:

7 0

3 years ago

Read 2 more answers

Which change would cause the largest increase in a mountain climber’s gravitational potential energy?

love history [14]

Increase in height can cause climber's gravitational potential energy greater than any other mean

Hope this helps!

4 0

3 years ago

student built a simple heat engine that could lift masses. If the heat engine takes in 300 J of heat and loses 50 J to the envir

k0ka [10]

Answer:

So it will lift the mass by h = 17 m

Explanation:

As per energy conservation we know that

$Q_1 = W + Q_2$

here we know that

$Q_1 = 300 J$

$Q_2 = 50 J$

now we have

$W = 300 - 50$

$W = 250 J$

so work done by the engine is 250 J

now we have

$W = mgh$

$250 = 1.5 \times 9.81 \times h$

$h = 17 m$

4 0

3 years ago