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irga5000 [103]
3 years ago
10

When a fish is floating motionless below the surface of a lake, what is the amount and direction of the force the water is exert

ing on it?
Physics
1 answer:
miskamm [114]3 years ago
3 0

Answer:

Buoyant force which is equal in magnitude to the fish's weight

Explanation:

A fish floating motionless below the surface of a lake, is an equilibrium position with the water.

Hence, upward force must be equal to downward force.

The downward force is due to fish's weight while the buoyant force is the upward force due to force of the water.

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(this is somehow part of my science unit, dont ask why)
nirvana33 [79]

Answer:

 Height of coffee mug = 5 cm

Explanation:

  Changing all the data given in to unit cm

              50 mm = 5 cm

              20 cm  = 20 cm

              8 m    = 800 cm

              0.1 km = 100 m = 10000 cm

Since we need to find the height of coffee mug, it's height will not be more than 10 cm.

  So 5 cm is the correct choice.

6 0
4 years ago
Metric system please help me I don’t know how to do this
amm1812

Answer:

11. 6700L

12. 0.0000238

13. 1805

14. 3800

15. 1400

16. 0.01428

17. 0.0003585

18. 0.0415

19. 4060.0

20.0.105

8 0
3 years ago
What advice would a personal trainer give you before a workout?
Katen [24]

Answer:

Have a quick snack an hour before to get the energy, warm up

6 0
4 years ago
Read 2 more answers
2 Points
yulyashka [42]

The  force applied to lift the crate is 171 N

Explanation:

The lever works on the principle of equilibrium of moments, so we can write:

F_i d_i = F_o d_o

where

F_i is the  force in input

d_i is the arm of the input force

F_o is the output force

d_o is the arm of the output force

For the lever in this problem, we have:

d_i = 0.25 m

d_o = 0.19 m

F_i = 130 N (force applied)

Solving the equation for F_o, we find the force applied to lift the crate:

F_o = \frac{F_i d_i}{d_o}=\frac{(130)(0.25)}{0.19}=171 N

Learn more about levers:

brainly.com/question/5352966

#LearnwithBrainly

6 0
3 years ago
When melting of a metamorphic rock occurs, it changes into what?
Thepotemich [5.8K]

Answer:

The upper limit of metamorphism occurs at the pressure and temperature of wet partial melting of the rock in question. Once melting begins, the process changes to an igneous process rather than a metamorphic process. During metamorphism the protolith undergoes changes in texture of the rock and the mineral make up of the rock.

Explanation:

i hope this helps

8 0
3 years ago
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