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Nadya [2.5K]
2 years ago
9

Which equation is used to find an object's acceleration?

Physics
1 answer:
IRINA_888 [86]2 years ago
8 0

Answer:

<em>option no. 1 </em>

Explanation:

<em>because the formula to calculate the acceration is a=final velocity- intial velocity/ time</em>

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Acceleration increases.
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3 years ago
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19. A 0.0340 kg bullet traveling at 120 m/s embeds itself in a 1.24 kg wooden block which
Blababa [14]

Answer: x ≈ 36.3 cm

Explanation:

Conservation of momentum during the collision

0.0340(120) + 1.24(0) = (0.0340 + 1.24) v

v = 3.2025 m/s

The kinetic energy of the block/bullet mass will convert to spring potential

½kx² = ½mv²

x = √(mv²/k)

x = √(1.274(3.2025²) / 99.0)

x = 0.363293... ≈ 36.3 cm

3 0
3 years ago
The length of the student desk is measured using a
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Answer:

3 significant figures are in 1.02m

Explanation:

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A reaction that releases heat is:<br> endothermic<br> exothermic<br> none of the above
Bas_tet [7]

Answer:

Exothermic reaction

Explanation:

  • A reaction that releases heat is known as an exothermic reaction.
  • Reactions can be classified as either exothermic or endothermic depending on whether they release or absorb heat from the surrounding.
  • A reaction that absorbs or gains heat from the surrounding is known as endothermic reaction.
  • On the other hand, if a reaction releases heat to the surrounding is known as exothermic reaction.
  • An exothermic reactions results to an increase in temperature of a solution while an endothermic reaction results to a decrease in the temperature of a solution.
4 0
3 years ago
How many meters are there in 666 miles? (1 mi = 1609 m)
ki77a [65]

Answer:

1071823.104 Meters

Explanation:

5 0
3 years ago
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