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Nina [5.8K]
4 years ago
7

Josh is learning to dive.

Physics
1 answer:
MA_775_DIABLO [31]4 years ago
5 0

Answer:

an upward buoyant force and a downward force of gravity.

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Does the air from a sound source travel directly to our ears?
jolli1 [7]
Sound is all about vibrations.
The source of a sound vibrates, bumping into nearby air molecules which in turn bump into their neighbours, and so forth. This results in a wave of vibrations travelling through the air to the eardrum, which in turn also vibrates.
6 0
3 years ago
An athlete runs four laps of a 400 m track. What is the athlete's total displacement?​
sasho [114]

Answer:

○ 0 \checkmark

Explanation:

Even if the athelete runs four laps of a 400 m track, its displacement will be 0 because the displacement is the shortest distance from its to final position. And, here the final and initial position is same since he comes to its initial position after covering certain distance. So, displacement is 0.

7 0
3 years ago
If you push on the wall with a force of 400 N, what is the magnitude of the force at the wall exerts on you?
Inessa05 [86]

Answer:

400 N

Explanation:

Due to action-Reaction, the wall pushes back on the person with a force of equal magnitude and in opposite direction to the force exerted by the person.

So the magnitude must be also 400 N.

7 0
3 years ago
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Degger [83]
I believe you use 4? I’m really unsure about that but I like your Joy Division picture
5 0
4 years ago
Read 2 more answers
Terry can ride 30 miles in 2 hours. If his riding speed is
Anni [7]

Answer:  20.4 miles

Explanation:

Here we need to use the equation:

Velocity = Distance/Time.

Initially we have that he can travel 30 miles in 2 hours, so the velocity is:

V = 30mi/2h = 15mph

Now, we reduce the velocity by 3 mph, so the new velocity is 15mph - 3 mph = 12mph.

Now we want to know the distance traveled in 1.7 hours with this velocity, this is.

Velocity*Time = Distance

12mi/h*1.7h = 20.4 miles

7 0
3 years ago
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