3 years ago

When you drop soap on the ground does the ground get dirty or does the soap get clean?

1 answer:

8 0

No, and no. In fact, the consequences are exactly opposite to your description.

When you drop soap on the ground, the soap ... which had been clean ... gets dirty, and the ground ... which had been dirty ... gets clean.

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A runner taking part in the 200 m dash must run around the end of a track that has a circular arc with a radius of curvature of

34kurt

Answer:

The centripetal acceleration of the runner is $1.73\ m/s^2$ .

Explanation:

Given that,

A runner completes the 200 m dash in 24.0 s and runs at constant speed throughout the race. We need to find the centripetal acceleration as he runs the curved portion of the track. We know that the centripetal acceleration is given by :

$a=\dfrac{v^2}{r}$

v is the velocity of runner

$v=\dfrac{200\ m}{24\ s}\\\\v=8.34\ m/s$

Centripetal acceleration,

$a=\dfrac{(8.34)^2}{40}\\\\a=1.73\ m/s^2$

So, the centripetal acceleration of the runner is $1.73\ m/s^2$ . Hence, this is the required solution.

5 0

3 years ago

The strength of gravitational force is affected by the mass of objects and which of the following?

gizmo_the_mogwai [7]

Answer:

The distance between two objects

Explanation:

Depending on how far away or how close two objects are will affect the gravity.

6 0

3 years ago

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What is the term used for the rate at which distance is traveled?

jeka94

Velocity

Hope this helps

7 0

4 years ago

Read 2 more answers

What transfer of energy is occurring between magnetism and electricity

ioda

I believe its air particles

6 0

4 years ago

Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0mph and half the

sashaice [31]

Answer:

52.47706 mph

54.5 mph

Explanation:

The average speed is given by

$V_{av}=\dfrac{Distance}{Time}$

$V_{av}=\dfrac{100}{\dfrac{50}{44}+\dfrac{50}{65}}\\\Rightarrow V_{av}=52.47706\ mph$

Julie's average speed on the way to Grandmother's house is 52.47706 mph

$V_{av}=\dfrac{44+65}{2}\\\Rightarrow V_{av}=54.5\ mph$

Average speed on the return trip is 54.5 mph

4 0

4 years ago