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alex41 [277]
3 years ago
10

List of three questions that you are good at science questions.

Physics
2 answers:
Klio2033 [76]3 years ago
7 0

Answer:

cycles, graphing, precise measurementation

Explanation:

vampirchik [111]3 years ago
5 0

Answer:

Explanation:

Explain the reason why difffusion happens quickly at high temperatures?

Naming simple compounds.

Explaining the musculoskeletal system.

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A train has a constant velocity of 2 m/s east. What is the magnitude of the horizontal acceleration of the train?
snow_tiger [21]
"Constant velocity" is practically a definition for zero acceleration.
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1. A car’s velocity increases from 4.0 m/s to 36 m/s over a 4.0 second time interval. What is its average acceleration?
Finger [1]

Explanation:

36-4/4= 9 m/squared. meter per squared.

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2 years ago
A passenger on a Ferris wheel moves in a vertical circle at a constant speed. Are the forces on her balanced?
vovikov84 [41]

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6 0
3 years ago
A particle moves along a straight line. Its position at any instant is given by x = 32t− 38t^3/3 where x is in metre and t in se
Rudik [331]

Answer:

The acceleration of the object is -69.78 m/s²

Explanation:

Given;

postion of the particle:

x = 32t - 38\frac{t^3}{3} \\\\

The velocity of the particle is calculated as the change in the position of the  particle with time;

v = \frac{dx}{dt} = 32 - 38t^2\\\\when \ the \ particle \ is \ at \ rest, \ v = 0\\\\32-38t^2 = 0\\\\38t^2 = 32\\\\t^2 = \frac{32}{38} \\\\t = \sqrt{\frac{32}{38} } \\\\t = 0.918 \ s

Acceleration is the change in velocity with time;

a = \frac{dv}{dt} = -76t\\\\recall , \ t = 0.918 \ s\\\\a = -76(0.918)\\\\a = -69.78 \ m/s^2

4 0
2 years ago
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