QuestionSeptember 19, 2025

A car accelerates at a rate of -5m/sec^2 for 6.8 seconds to a final velocity of 32m/sec What was its initial velocity?

A car accelerates at a rate of -5m/sec^2 for 6.8 seconds to a final velocity of 32m/sec What was its initial velocity?
A car accelerates at a rate of -5m/sec^2 for 6.8 seconds to a final velocity of 32m/sec What was its initial
velocity?

Solution
4.1(295 votes)

Answer

66\, m/s Explanation 1. Use the kinematic equation for velocity The formula is v_f = v_i + at. 2. Substitute known values and solve for v_i 32 = v_i + (-5)(6.8), so 32 = v_i - 34. Thus, v_i = 32 + 34.

Explanation

1. Use the kinematic equation for velocity<br /> The formula is $v_f = v_i + at$.<br />2. Substitute known values and solve for $v_i$<br /> $32 = v_i + (-5)(6.8)$, so $32 = v_i - 34$. Thus, $v_i = 32 + 34$.
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