The initial speed of a body is 6.52 m/s. What is it's speed after 1.97 s if it accelerates uniformly at 2.87 m/s^2

Question

asked Jun 14, 2024 41.2k views

1 Answer

Keshan De Silva · Answer 1 · 2024-06-18T20:01:02+0000

Answer:

Part 1: 12.174 m/s Part 2: 0.866m/s

Step-by-step explanation:

Part 1:

v_f = v_i + a*t (formula for speed with constant acceleration)

$v_f = 6.52 + 2.87 * 1.97\\v_f = 12.174 m/s$

Part 2:

v_f = v_i + a*t

$v_f = 6.52 - 2.87 * 1.97\\v_f = 0.866m/s$