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Phoenix [80]
3 years ago
8

1. If you add air to a flat tire through a single small entry hole, why does the air spread out to fill the tire?

Physics
1 answer:
ikadub [295]3 years ago
7 0

Answer:

The tire fills up just like anything else that holds air when u pump a ball or tire up it fills all the way up cause it is a small confined space and after filling it with air the atoms of the air fill the tire up

Explanation:

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Two bodies are falling with negligible air resistance, side by side, above a horizontal plane. If one of the bodies is given an
borishaifa [10]

Answer:a

Explanation:

Given

two bodies are falling with negligible air Resistance and one of the body is given a slight horizontal acceleration

since there is no change in vertical acceleration therefore time taken by both bodies is same irrespective of change in horizontal direction

suppose both start from rest from a height of h

time taken

t=\sqrt{\frac{2h}{g}}

The only difference is that body with horizontal acceleration will be some distance away from first                  

4 0
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Read 2 more answers
5. average A body sets off from rest with a constant acceleration of 8.0 m/s? What distance will it have covered after 3.0 s? 6.
chubhunter [2.5K]

Answer:

\boxed {\boxed {\sf 36 \ meters}}

Explanation:

We are asked to find the distance a body covers. We know the initial velocity, acceleration, and time, so we will use the following kinematic equation.

d= v_i t+ \frac {1}{2} \ at^2

The body starts at rest with an initial velocity of 0 meters per second. The acceleration is 8 meters per second squared. The time is 3.0 seconds.

  • v_i= 0 m/s
  • a= 8 m/s²
  • t= 3 s

Substitute the values into the formula.

d= (0 \ m/s)(3 \ s) + \frac{1}{2} (8 \ m/s^2)(3 \ s)^2

Multiply the first set of parentheses.

d= ( 0 \ m/s * 3 \ s) + \frac{1}{2} ( 8 \ m/s^2)(3 \ s)^2

d=0 \ m + \frac{1}{2} ( 8 \ m/s^2)(3 \ s)^2

Solve the exponent.

  • (3 s)²= 3 s* 3 s= 9 s²

d= 0 \ m + \frac{1}{2}( 8 \ m/s^2)(9 \ s^2)

Multiply again.

d= 0 \ m + \frac{1}{2} ( 72  \ m)

d= 36 \ m

The body will cover a distance of <u>36 meters</u>.

5 0
2 years ago
Question 3
Lina20 [59]

Answer: D

Explanation:

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