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VashaNatasha [74]
2 years ago
6

PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!

Physics
2 answers:
mars1129 [50]2 years ago
5 0

D.

Exercise reduces stress and boosts confidence, which can create positive change.

k0ka [10]2 years ago
5 0
The answer is D exercise reduces stress and boosts confidence which can create positive change. lmk if this helps
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An iron nail is driven into a block of ice by a single blow of a hammer. The hammerhead has a mass of 0.5 kg and an initial spee
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Answer:

The ice melts mass is:

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Explanation:

Kinetic Energy  

K_E = 1/2*m*v^2

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K_E=2.56 kg*m^2/s^2

Heat gained by ice= mass(g) x 80 cal

( 1 cal = 4.184 *10^7er or g cm^2/ sec^2)

Assuming no loss in heat,  in the motion so both continue with temperature 0~C

To find so the mass (gm) of ice melted

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m_g=7.6x10^{-3} g

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3 years ago
13. An object, travelling along a straight path, covers 35 m distance in 4 seconds. In next 6
WARRIOR [948]

Answer:

(4) 8.5 m/s

Explanation:

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3 years ago
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Suppose two objects are gravitationally attracted to each other with some force F. If the mass of object 1 is multiplied by a fa
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If F = Gm₁m₂/d², and we change m₁ to 5m₁ and m₂ to 2m₂, then the new magnitude of the gravitational force is

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but this is really just F' = 10F. So J is the correct choice.

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Answer: 60.56

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3 years ago
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