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atroni [7]
2 years ago
15

I can't type, so... please make brainliest answer.

Physics
1 answer:
Damm [24]2 years ago
6 0
Im not sure because I didn’t see the passage but I feel like it would either be A or B sorry if this didn’t help at all
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When light hits a red wagon, some of the energy is absorbed and ______.
ZanzabumX [31]

Answer: A. Red light is reflected

Explanation:

8 0
2 years ago
Kids are pelting a window with snowballs. On average, two snowballs of roughly 300-g mass hit the window each second, moving hor
hram777 [196]

Answer:

The average force exerted on the window due to two snowballs is 6 N

Explanation:

Given:

Mass of snowballs m = 300 \times 10^{-3} Kg

Velocity of snowball v = 10 \frac{m}{s}

For finding the average force,

Force is equal to the change in momentum,

   F = \frac{dP}{dt}

Here, final velocity is zero so we write,

 F = \frac{mv}{1}

Where dt = 1 sec

 F = 300 \times 10^{-30} \times 10

F = 3 N

Above value of force is due to one ball, but here given in question there are two ball,

F = 3 \times 2

F = 6 N

Therefore, the average force exerted on the window due to two snowballs is 6 N

5 0
3 years ago
A 0.700-kg ball is on the end of a rope that is 2.30 m in length. The ball and rope are attached to a pole and the entire appara
otez555 [7]

Answer:

The tangential speed of the ball is 11.213 m/s

Explanation:

The radius is equal:

r=2.3*sin70=2.161m (ball rotates in a circle)

If the system is in equilibrium, the tension is:

Tcos70=mg\\Tsin70=\frac{mv^{2} }{r}

Replacing:

\frac{mg}{cos70} sin70=\frac{mv^{2} }{r} \\Clearing-v:\\v=\sqrt{rgtan70}

Replacing:

v=\sqrt{2.161x^{2}*9.8*tan70 } =11.213m/s

7 0
3 years ago
PLEASE ANSWER FAST I WILL GIVE BRAINLIEST
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Explanation:

The answer is:

A squirrel runs up the trunk of a tree.

3 0
3 years ago
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Give three factors which are responsible for the vanishing forest ​
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1. Huge wildfires

2. Deforestation

3. Reduced amount of aforestation, etc

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