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2 years ago

A truck is parked outside. When the sun goes down, the temperature

Physics

2 answers:

fomenos2 years ago

6 0

Answer:

it will get colder

Explanation:

Luda [366]2 years ago

3 0

Answer:

Colder.

When the temperature is high, the air in your tires takes up more volume, where as when the temperature is cold, the air takes up less volume.

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If a planet has a radius 20% greater than that of the Earth but has the same mass as the Earth, what is the acceleration due to

Vaselesa [24]

Answer:

$g_2=6.8125 m^2/sec$

Explanation:

We know that

Acceleration due to gravity g is given by the formula

$g= \frac{GM}{r^2}$

G= gravitational constant

M= mass of the Earth

r= radius of the earth

$g_1 = GM/r_1^2$

Let acc. due to gravity after radius is 20% greater be g_2

then

$g_2=GM/r_2^2$

=> g1/g2 = (r_2/r_1)^2 => g2 = 9.81/1.2^2 = 6.8125

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timama [110]

This answer should be gas

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Arif has recently quit smoking. What benefit can he expect to occur within a few hours of quitting?

kodGreya [7K]

For one you’ll smell better, won’t be thinking when can i get my next cigarette, stop lung damage, skin will start to clear up

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a hockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player trav

ratelena [41]

mass of first player = 82 kg

speed of first player = 4.1 m/s (towards North)

mass of second player = 76 kg

speed of second player = 3.4 m/s (towards East)

now the two players will collide and stick together so here since there is no external force on the system of two players so we will say momentum of system of players will remain conserved

So here we will have

$P_{1i} = 82 (4.1 \hat j)$

$P_{2i} = 76 (3.4 \hat i)$

now after collision they both move together with same speed so we will have

$P_{1i} + P_{2i} = (m_1 + m_2)v$

$336.2\hat j + 258.4\hat i = (82 + 76)v$

$v = 1.64\hat i + 2.13 \hat j$

so the magnitude of the velocity after they collide is given as

$v = \sqrt{1.64^2 + 2.13^2}$

$v = 2.69 m/s$

direction of motion is given as

$tan\theta = \frac{2.13}{1.64} = 1.3$

$\theta = 52.4 degree$

so they both will move 52.4 degree North of East after collision

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2 years ago

HELP ASAP <br><br> What happens when the mantle melts?

ankoles [38]

It produces oceanic crust,

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