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cestrela7 [59]
2 years ago
7

I want help with Question num 4 (a,b,c). Thank u

Physics
1 answer:
frosja888 [35]2 years ago
8 0

Answer

a) Draw an upward force from the bottom to indicate upthrust

b) Upthrust is an upward force acting on an object floating on a liquid... hence there is an upward force acting on the iceberg which causes it to float.

c) Unfortunately I don't know the answer.

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Question 10 of 34
labwork [276]

Julia walks from the park, which is six blocks east of her house, to the store, which is three blocks east of her house. Julia walks for 5 minutes. This walk's average speed will be 1.2 blocks per minute. Option B is correct.

<h3>What is displacement?</h3>

Displacement is defined as the shortest distance between the two points. Distance is the horizontal length covered by the body. While displacement is the shortest distance between the two points.

Displacement is a vector quantity .its unit is m.

The average velocity on this walk will be;

\rm v_{avg}= \frac{d}{t} \\\\ \rm v_{avg}= \frac{6 \ block+ 3 \ block }{5 \ minute } \\\\ v_{avg}=1.4  \ block /min

Hence option B is correct.

To learn more about displacement refer to the link; brainly.com/question/10919017

#SPJ1

3 0
2 years ago
The electric potential ( relative to infinity ) due to a single point charge Q is 400 V at a point that is 0.6 m to the right of
UkoKoshka [18]

Answer:

The potential at a distance of 0.9 m is 266.67 V.

Explanation:

Charge = Q

Potential is 400 V at a distance 0.6 m .

Let the potential is V at a distance 0.9 m.

Use the formula of potential.

V = \frac{Kq}{r}\\\\\frac{V}{400}=\frac{0.6}{0.9}\\\\V = 266.67 V

5 0
3 years ago
I would like to know how can I practice physics grade 10 questions?​
Vanyuwa [196]

Answer:

Go to K.han Academy and look up High School Physics on there. Other than that You.Tube has some physics curriculums which probably have practice questions. If not you could just pause the video and see if you can answer the questions they're going over yourself. Also, searching up "Physics Worksheet" and such may help.

6 0
2 years ago
which of the seasons is celebrated by many northern cultures with festivals, often symbolizing rebirth?
tensa zangetsu [6.8K]
I’m not entirely certain, but usually, spring symbolizes rebirth.
4 0
4 years ago
Read 2 more answers
Which measurement is the most precise??<br>27 m<br>27.7 m<br>27.791 m <br>27.79 m​
Vera_Pavlovna [14]

Answer: 27.791 meters

Explanation: The precision of a measure depends on the number of significative decimals that it has, so the number that is most exact is the one with more numbers after the decimal point, in this case, is the third option: 27.791 m

This one is the most exact because you know that the lenght is:

27 meters, 7 centimetrs and 9.1 milimeters

3 0
4 years ago
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