sedhainabhi786
sedhainabhi786 sedhainabhi786
  • 11-06-2021
  • Physics
contestada


A car starts from rest. If its acceleration is 1.5 m/s2 in 1.5 seconds, then calculate the
distance travelled by it.
​

Respuesta :

KimYurii
KimYurii KimYurii
  • 11-06-2021

Answer:

1.6875 m

Explanation:

Here, we are given that,

  • Initial velocity (u) = 0 (as it starts from rest)
  • Acceleration (a) = 1.5 m/s²
  • Time taken (t) = 1.5 s

Then,

  • Distance (s) = ?

By using the second equation of motion,

★ s = ut + ½at²

  • s is distance
  • u is initial velocity
  • t is time
  • a is acceleration

⇒ s = 0(1.5) + ½ × 1.5 × (1.5)²

⇒ s = ½ × 1.5 × 2.25

⇒ s = ½ × 1.5 × 2.25

⇒ s = ½ × 3.375

⇒ s = 1.6875 m

∴ Distance travelled by it is 1.6875 m.

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