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svlad2 [7]
3 years ago
12

What's 5 and 6? Physics

Physics
1 answer:
Elanso [62]3 years ago
4 0
10.2 m/s means in 1 sec he travels 10.2 metres. so in 20 sec he travels 20×10.2= 204 meters
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Bacteria prefer a dry environment to a damp or moist environment. False True
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false

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A mass hanging from a spring is set in motion and its ensuing velocity is given by v (t )equals 2 pi cosine pi t for tgreater th
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Answer:

2(maximum), -2(minimum), -2(maximum).

Explanation:

V(t)= 2πcos πt--------------------------------------------------------------------------------(1).

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Take note that;  sin(π/2) = sin(5π/2) = 1 .

Also, the mass moves to its lowest position at time,t=(3/2); also, sin(3π/2) = -1.

Therefore, we have that 2 maximum; -2 minimum and -2 maximum.

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2 years ago
Help me, please with this queastion
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Answer:

Kinetic energy is the energy due to motion. Potential energy is energy stored in matter. The joule (J) is the SI unit of energy and equals (kg×m2s2) ( kg × m 2 s 2 ) .

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