3 years ago

Here are the results of the study:

1 answer:

6 0

I don’t get what you mean

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Elza [17]

Answer:

a feat

Explanation:

cause the mf already 7ft on the dot there is no such thing as 6 ft 12

4 0

2 years ago

Ganezh [65]

When water has a temperature greater than 100c, it's boiling

6 0

3 years ago

hammer [34]

I think it’s D which is the stomach if not I can get you someone that can help you

6 0

3 years ago

german

Answer: I think your answer would be true.

4 0

3 years ago

Eddi Din [679]

Answer:

$a_{cp}=162.2m/s^2$

Explanation:

The time the stone takes to fall can be calculated considering only the vertical component with the formula:

$y=y_0+v_{0y}t+\frac{a_yt^2}{2}$

Taking the inital height as 0m and downward direction positive, since it departs from (vertical) rest we have:

$y=\frac{gt^2}{2}$

Which gives us a time:

$t=\sqrt{\frac{2y}{g}}=\sqrt{\frac{2(2m)}{(9.8m/s^2)}}=0.64s$

Horizontally, on that time the stone travelled a distance x=10m, which means its horizontal speed was:

$v_x=\frac{x}{t}=\frac{10m}{0.64s}=15.6m/s$

Since <u>this speed is the tangential velocity</u> while whirling, the centripetal acceleration of the stone was:

$a_{cp}=\frac{v_x^2}{r}=\frac{(15.6m/s)^2}{(1.5m)}=162.2m/s^2$

7 0

3 years ago