2 years ago

World's biggest fandom 2020

Physics

2 answers:

pychu [463]2 years ago

6 0

Answer:

Explanation:

gurl bye ash its def the weebs or the bts the bts wanted lady gaga ded

lesya692 [45]2 years ago

4 0

Answer:

BTS was the biggest fandom in 2020

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15 km 30 divided by 4 is 7.5 km in 30 min times that by 2 the answer is 15

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A(n) 1400-kg car going at 6.32 m/s in the positive x direction collides with a 2900-kg truck at rest. The collision is totally i

tresset_1 [31]

Answer:

a) Acceleration of the car is given as

$a_{car} = -21 m/s^2$

b) Acceleration of the truck is given as

$a_{truck} = 10.15 m/s^2$

Explanation:

As we know that there is no external force in the direction of motion of truck and car

So here we can say that the momentum of the system before and after collision must be conserved

So here we will have

$m_1v_1 + m_2v_2 = (m_1 + m_2)v$

now we have

$1400 (6.32) + 2900(0) = (1400 + 2900) v$

$v = 2.06 m/s$

a) For acceleration of car we know that it is rate of change in velocity of car

so we have

$a_{car} = \frac{v_f - v_i}{t}$

$a_{car} = \frac{2.06 - 6.32}{0.203}$

$a_{car} = -21 m/s^2$

b) For acceleration of truck we will find the rate of change in velocity of the truck

so we have

$a_{truck} = \frac{v_f - v_i}{t}$

$a_{truck} = \frac{2.06 - 0}{0.203}$

$a_{truck} = 10.15 m/s^2$

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If all the stars in an elliptical galaxy traveled random directions in their orbits, the elliptical galaxy would be type

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Technician A says that you can check a leaking head gasket using a chemical tester. Technician B says that you can find a leakin

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Answer: A

Explanation:

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World's biggest fandom 2020​

World's biggest fandom 2020