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Lana71 [14]
3 years ago
9

Sakena Yacoobi was born in Afghanistan and educated in the United States. She started working with the International Rescue Comm

ittee (IRC) in Pakistan during the mid-1990s. "When you see the joy and excitement in the students' faces, when you see them sitting on dirt floors, under trees, and in dark basements-anywhere to get an education, you forget all your troubles," Yacoobi has said of her work.
Physics
1 answer:
dolphi86 [110]3 years ago
4 0
Haha it's a not a question
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A student writes, "A bird that is diving for prey has a speed of − 10 m /s ." What is wrong with the student's statement? What h
kompoz [17]

Answer:

Speed is a scalar quantity it has only magnitude. So in the given scenario the student actually described about the velocity.

Explanation:

In this situation, student is describing that the speed is -10 m/s. The speed with the negative sign is wrong because speed is a scalar quantity and scalar quantities have only magnitude, they do not have direction. So, his statement is wrong because he is describing the speed with the negative sign.

And also we know that velocity is a vector quantity, so it has magnitude as well as direction also. So in this situation, the student is actually want to describe the velocity because he is mentioning the magnitude in a particular direction.  

4 0
3 years ago
What the law of physics?
Elanso [62]
The basic laws of physics<span> fall into two categories- classical </span>physics<span> that deals with the observable world, and atomic </span>physics<span> that deals with the interactions between elementary and sub atomic particles</span>
5 0
4 years ago
Think about the atmosphere of Venus. How is it different from that of other terrestrial planets?
Digiron [165]
Because one is thicker
4 0
4 years ago
A runner taking part in the 200-m dash must run around the end of a track that has a circular arc with a radius of curvature of
Leto [7]

Answer: 2.27\ m/s^2

Explanation:

Given

Length of the race track L=200\ m

the radius of curvature of the track r=29.5\ m

time taken to run on track is t=24.4\ s

Speed of runner is

\Rightarrow v=\dfrac{L}{t}=\dfrac{200}{24.4}\\\\\Rightarrow v=8.196\ m/s

Centripetal acceleration is

\Rightarrow a_c=\dfrac{v^2}{r}=\dfrac{8.196^2}{29.5}\\\\\Rightarrow a_c=2.27\ m/s^2

5 0
3 years ago
Which do you think is easiest and hardest to keep track of: hazardous waste that is present as a gas, liquid, or solid? Why?
natima [27]

Answer:

probably liquid cause it can be contained easily

7 0
3 years ago
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