3 years ago

What happens when the temperature of an object increases

Physics

1 answer:

tamaranim1 [39]3 years ago

5 0

the average KE of the object increases

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Imagine a car moving at a speed of 10 m/s it starts speeding up at an acceleration of 2 m/s/s. What will the car's speed be afte

alexandr402 [8]

Answer:

14 m/s

18 m/s

22 m/s

Explanation:

The car is moving at constant acceleration, so we can find its velocity at time t using the equation:

$v=u+at$

where

u = 10 m/s is the initial velocity

$a=2 m/s^2$ is the acceleration

t is the time

Substituting the different times, we find:

At t = 2 s:

$v=10+(2)(2)=14 m/s$

At t = 4 s:

$v=10+2(4)=18 m/s$

At t = 6 s:

$v=10+2(6)=22 m/s$

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3 years ago

When light strikes an object and all colors of the visible light spectrum are reflected, the object will appear:

posledela

If the light has all visible colors in it, and the object
reflects them all, then the object appears white.

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3 years ago

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Which kind of wave moves back and forth along the direction of the wave?.

Jlenok [28]

The kind of wave it is Longitudinal

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3 years ago

What is the wavelength of an earthquake wave if it has a speed of 11 km/s and a frequency of 7 Hz?

Alex73 [517]

length = speed/freq

11/7km

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3 years ago

Find the displacement if the velocity is 100 km to the east, time=3 h

scoray [572]

T = 3 h = 3 x 3600s = 10800s
d = 100 x 10800 = 1080000km to The east.

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4 years ago