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Rom4ik [11]
2 years ago
15

I will give u brainliest

Physics
1 answer:
Westkost [7]2 years ago
4 0
Calculate the average speed for each student
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When 1 kg of water and 1 kg of wood absorb the same amount of heat, the change in temperature of the wood is greater than the ch
Strike441 [17]

Intermolecular forces in water are greater than those in wood. APEX

6 0
3 years ago
An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/. To determine the depth of
leva [86]

Answer;

=32.15 meters

Explanation;

Use the formula  

s= ut+ 0.5 a (t)^2 to find out 's'  

where s= distance traveled  

u=initial velocity which is zero in this case  

t= time taken to travel 's' distance  

a=acceleration (due to gravity on moon i.e 1.62 m/s^2 )  

Therefore;

S = 0.5 * 1.62 * 6.3 * 6.3

    = 32.1489 meters

Thus; the crater is 32.15 meters deep.

3 0
3 years ago
Which layer of the atmosphere is the top layer of the thermosphere?
joja [24]
The thermosphere is a layer of Earth's atmosphere. The thermosphere is directly above the mesosphere and below the exosphere. It extends from about 90 km (56 miles) to between 500 and 1,000 km (311 to 621 miles) above our planet.
8 0
3 years ago
Read 2 more answers
How does an increase in thermal energy affect the state of matter?
shusha [124]

Answer:

When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation). ... When the pressure exerted on a substance increases, it can cause the substance to condense.

Explanation:

Hope it will help use

8 0
3 years ago
A firecracker in a coconut blows the coconut into three pieces. two pieces of equal mass fly off south and west, perpendicular t
kirill [66]

As per momentum conservation theory

If net force on a system is zero then initial momentum of the system will be equal to final momentum of that system.

Since initially coconut is at rest so initial momentum is zero

Here it break into three pieces such that two parts of same mass while third part is of double mass

now we can say

P_1 + P_2 + P_3 = 0

here we know that two parts fly off with same speed v0 along south and west directions

mv_0 (-\hat j) + mv_0 (-\hat i) + 2m \vec v = 0

now we will have

\vec v = \frac{v_0}{2}\hat i + \frac{v_0}{2}\hat j

so here magnitude of the speed of the third part will be

|v| = \sqrt{(\frac{v_0}{2})^2+(\frac{v_0}{2})^2}

|v| = \frac{v_0}{\sqrt2}

and the direction of the third part will be along North East direction

7 0
3 years ago
Read 2 more answers
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