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Stolb23 [73]
3 years ago
10

a minute later the green car is traveling 60 miles per hour north, the blue car traveling 60 miles per hour south how is the gre

en cars velocity similar to the blue cars velocity? what is the different about their velocities
Physics
1 answer:
Zanzabum3 years ago
7 0

Answer:

A) The green cars's velocity has the same magnitude as the blue car's velocity.

B) the difference about their velocity is the direction of the velocity which is 180° in the opposite directions.

Explanation:

Velocity is a vector quantity that has both magnitude and direction. The magnitude shows the size, and the direction shows the path the motion takes.

Both cars have the same magnitude but different directions. The difference in their direction is at a 180°angle.

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Answer:

it will double because im right

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The heat capacity of nickel is 0.444 J/(g · °C). Calculate the amount of heat needed to raise the temperature of 18 g of nickel
azamat

The final speed of the nickel at the given quantity of heat is determined as 202.1  m/s.

<h3>Final speed of the nickel</h3>

Apply the principle of conservation of energy.

Q = mcΔθ

Q = (18)(0.444)(66 - 20)

Q = 367.63 J

Q = K.E = ¹/₂mv²

2K.E = mv²

v = √(2K.E/m)

where;

  • v is the final speed

v = √(2 x 367.63)/(0.018))

v = 202.1 m/s

Learn more about speed here: brainly.com/question/4931057

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5 0
2 years ago
James took two pea plants, placing one in a dark closet and the other on a sunny window sill. Both are located in air-conditione
Fudgin [204]

The constant is the temperature of the air that the plants get.

The independent variable is the thing that YOU control.  That's the amount of sunlight each plant gets.

The <em>dependent variable</em> is anything that's caused by changes in the independent variable.  That's the growth of the plants.

5 0
4 years ago
Read 2 more answers
How long do molecules of groundwater stay in the ground?
Brilliant_brown [7]

CORRECT ANSWER:

d. Anywhere from days to thousands of years.

STEP-BY-STEP EXPLANATION:

The whole question from book is

How long do molecules of groundwater stay in the

ground?

a. Days

b. Weeks

c. Months

d. Anywhere from days to thousands of years

4 0
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Answer:

final velocity = 0

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  • acceleration = -22 ÷ 135

  • acceleration = -0.162 m/s²

5 0
3 years ago
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