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3 years ago

How do I set up this equation?

Physics

1 answer:

Natalka [10]3 years ago

4 0

They start at 1 meter and after 10 seconds they've moved to 6 meters.
6 - 1 = 5 meters

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i throw a tennis ball straight down from the roof of a building 400 meters tall.id it leaves my hand at 10 m/s, how fast will it

Sidana [21]

consider the motion of the tennis ball in downward direction

Y = vertical displacement = 400 m

a = acceleration = acceleration due to gravity = 9.8 m/s²

v₀ = initial velocity of the ball at the top of building = 10 m/s

v = final velocity of the ball when it hits the ground = ?

using the kinematics equation

v² = v²₀ + 2 a Y

inserting the values

v² = 10² + 2 (9.8) (400)

v = 89.11 m/s

6 0

3 years ago

Write the equation expressing the relationship "y varies directly as x." use k as the constant of proportionality.

Alexeev081 [22]

The equation expressing the statement "y varies directly as x" is $y=kx.$

Explanation

The statement that $y$ varies directly as $x$ is analogous to saying that the ratio of $y$ to $x$ is constant. In other words, when $x$ increases, $y$ likewise increases and that when $x$ decreases, $y$ decreases proportionally.

Mathematically, we express the relationship that the ration of $y$ is to $x$ is constant is expressed as; $\frac{y}{x} =k$ where $k$ is the constant of proportionality.

We can then solve the relationship for $y$ to determine the correct form of the relationship as shown below,

$\frac{y}{x} =k\\\rightarrow y=kx$

6 0

3 years ago

Read 2 more answers

3. A dog walks a distance of 100 ft. in 20 s of time. What is the dog's

natta225 [31]

The answer is A.
100/20=5

8 0

2 years ago

Read 2 more answers

If a bow holds 500J of potential energy as the arrow is pulled back, how much kinetic energy will the arrow have after it has be

ale4655 [162]

Answer:

500J

Explanation:

The arrow will have an energy of 500J after it has been released from its state of rest.

This is compliance with the law of conservation of energy which states that "in every system, energy is neither created nor destroyed but transformed from one form to another".

The energy at rest which is the potential energy is 500J
This energy will be converted to kinetic energy in total after the arrow has been released.
This way, no energy is lost and we can account for the energy transformations occurring.

4 0

2 years ago

Technician A says that wheel cylinder dust boots keep dust and moisture out of the cylinder bore. Technician B says that it is n

timurjin [86]

Answer:

i think its technician A

7 0

3 years ago