2 years ago

Which statement about temperature is correct?

Physics

2 answers:

maria [59]2 years ago

6 0

B.temperature is an indirect measurement of the heat energy in a substance

alexira [117]2 years ago

4 0

B . Temp is an indirect measurement of the heat energy

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3) A person catches a ball with a mass of 145 g dropped from a height of 60.0 m above his glove. His hand stops the ball in 0.01

iragen [17]

Answer: 87KN

Explanation: F= m(v-u)/t

V= h/t

V= 60/0.0100

v= 6000m/s

M=145g/1000=0.145kg

F= 0.145*6000/0 .001

F= 87000N

F= 87KN

7 0

2 years ago

if the earth's atmosphere were 50times denser than it is, would sunlight still be while or would it be some other colour? explai

katrin2010 [14]

If the atmosphere were 50% more dense, sunlight would be much redder then it is now. As the atmosphere increase in density, more and more of the blue light would be scattered away in all directions, making the light that reaches the ground very red. Think of the color of a deep red sunset, but this would be the color even at noon.
Hope this helps!

5 0

2 years ago

Two blocks of the same mass but made of different material slide across a horizontal, rough surface and eventually come to rest.

Akimi4 [234]

Answer:

a. $\mathbf{F_{f_2} = 2 F_{f1}}$ , $\mathbf { since \ the \ force \ o f \ friction \ is \ represented \ as \ the \ slope \ for \ each \ of \ the \ two \ curves.}$