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Georgia [21]
4 years ago
12

The point on the graph that lies on the y-axis (vertical axis) is called the y-intercept. What does the y-intercept tell you abo

ut the runner? ( look at photo)
the ending position of the runner

Choices:

the runners distance from the state

the starting position of the runner

the runners speed

Physics
1 answer:
jekas [21]4 years ago
7 0

Answer:

The starting position of the runner.

Explanation:

When you look at the graph, you can see that the first point on the graph is twenty on the y-axis.

The runner starts at twenty, and ends at thirty.

Therefore, the runner starts at twenty on the y-axis, so it's the starting position of the runner.

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The chimney of an oil lamp cracks when touched with rhe brade of cold knife?why<br>​
Bezzdna [24]

Answer:

The extreme difference between the hot chimney and the cold knife makes the chimney expand and contract so quickly it cracks.

Explanation:

Hope this helped!

7 0
3 years ago
Read 2 more answers
if a spring stores 5j of energy when it is compressed by0.5m,what is the spring constant of the spring?
Sindrei [870]

Answer:

K = 40N/m

Explanation:

According to Hooke’s law

Energy = 1/2 kx^2

K is the spring constant

x = displacement

From the question

Energy =5J

x = 0.5m

K = ?

Using the above formula,

We have

5 = 1/2 x k x (0.5)^2

5 = 1/2 x k x (0.5 x 0.5)

5 = 1/2 x k x 0.25

5 = 0.25k/ 2

Cross multiply

5 x 2 = 0.25k

10 = 0.25k

Divide both sides by 0.25 to get k

10/0.25 = 0.25k/ 0.25

40 = k

K = 40N/m

5 0
3 years ago
How much energy is needed to melt 600 g of ice at 0 degrees C?
Keith_Richards [23]

Answer:

you need 300 butter

Explanation:

fadf

7 0
3 years ago
True or false
ElenaW [278]
If im not mistaken it is true
4 0
3 years ago
Rearranged the equation d=10 v=2.5 for t
eimsori [14]

The time of motion of the object at the given speed and distance is 4 seconds.

<h3>Time of motion of the object</h3>

The time of motion of the object is calculated as follows;

t = d/v

where;

  • d is distance = 10 m
  • v is speed = 2.5 m/s
  • t is time of motion

t =  10/2.5

t = 4 s

Thus, the time of motion of the object at the given speed and distance is 4 seconds.

Learn more about time here: brainly.com/question/2854969

#SPJ1

5 0
2 years ago
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