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Arada [10]
3 years ago
9

Humans protect themselves from natural disasters by all of the following except

Physics
1 answer:
jeyben [28]3 years ago
4 0
I'm pretty sure it's sunscreen
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A soccer player kicks a ball with a force of 900 newtons. The ball has a mass of 0.5 kilograms. At what rate will the ball accel
Volgvan

Answer:

1800 m/s^{2}

Explanation:

We know this because of Newton's first law, F=ma, which shows us that the force on an object is equal to its mass times the acceleration it recieves. This means that taking our values of 900N and 0.5kg, and plugging them in,

900N=(0.5kg)*(1800m/s^2)

This is honestly a little strange because the force applied and the acceleration seem ridiculous, and a little strange for an answer. Either the values are not meant to be nearly close to reality, or you made a typo.

6 0
3 years ago
A player kicks a football from ground level with an initial velocity of 27.0 m/s, 30.0° above the
Gelneren [198K]

Answer:

Option B. 2.8 s

Explanation:

The following data were obtained from the question:

Initial velocity (u) = 27 m/s

Angle of projection (θ) = 30

Acceleration due to gravity (g) = 9.8 m/s²

Time of flight (T) =?

The time of flight of the ball can be obtained as follow:

T = 2uSineθ / g

T = 2 × 27 × Sine 30 / 9.8

T = 2 × 27 × 0.5 / 9.8

T = 27 / 9.8

T = 2.8 s

Therefore, time of flight of the ball is 2.8 s

7 0
3 years ago
True or false When hydrogen joins with oxygen, a hydrogen bond has been formed.
ladessa [460]

Answer:

hydorgen bond

Explanation: pls give me branliest

8 0
3 years ago
What happens if you add additional,solid NaCl after the maximum has been reached?
azamat
<span>it would bond to the phosphate 

</span>
3 0
3 years ago
Read 2 more answers
Why are yet planes faster tharn. cargo planes?
stellarik [79]

Answer:

cargo planes hold cargo so there hevier

Explanation:

8 0
2 years ago
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