A body started to move from rest and with uniform acceleration 1.6m/s^

1.	A body started to move from rest and with uniform acceleration 1.6m/s^2 Calculate the final velocity and distance travelled by a body in 2 minutes
Answer» Answer: Given : ▪ Initial velocity of BODY=zero ▪ Acceleration of the body=1.6m/s To FIND : ▪ Velocity and distance travelled by the body in 2min. Formula used : ▪ Since, acceleration is constant THROUGHOUT the whole journey, we can apply equations of kinematics directly. ▪ FIRST equation of kinematics : ☞ v = u + at ▪ Third equation of kinematics : ☞ s = ut + (1/2)at^2 ▪ 2min = 120sec Calculation : Final velocity → v = u + at → v = 0 + (1.6)(120) → v = 192m/s Distance travelled → s = ut + (1/2)at^2 → s = 0(120) + [0.5×1.6×(120)^2] → s = 0.5×1.6×14400 → s = 11520m = 11.52km Explanation:

A body started to move from rest and with uniform acceleration 1.6m/s^2 Calculate the final velocity and distance travelled by a body in 2 minutes

Answer»

Answer:

Given :

▪ Initial velocity of BODY=zero

▪ Acceleration of the body=1.6m/s

To FIND :

▪ Velocity and distance travelled by the body in 2min.

Formula used :

▪ Since, acceleration is constant THROUGHOUT the whole journey, we can apply equations of kinematics directly.

▪ FIRST equation of kinematics :

☞ v = u + at

▪ Third equation of kinematics :

☞ s = ut + (1/2)at^2

▪ 2min = 120sec

Calculation :

Final velocity

→ v = u + at

→ v = 0 + (1.6)(120)

→ v = 192m/s

Distance travelled

→ s = ut + (1/2)at^2

→ s = 0(120) + [0.5×1.6×(120)^2]

→ s = 0.5×1.6×14400

→ s = 11520m = 11.52km

Explanation:

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