Question

u=16 m/s
t=5s
s=105m

a= ?​

Answer 1

Answer:

21

Explanation:

245,2456,35653643

Answer 2

Answer:

Acceleration of the body = 2 m/s²

Explanation:

Given:

• Initial velocity (u) = 16 m/s
• Time (t) = 5 sec
• Distance (s) = 105 m

To find:

Acceleration = ?

Solution:

For this question, the formula which connects initial velocity, time, distance and acceleration is Second Equation of Motion.

$\maltese \: \: \boxed{\bf{S=ut+\dfrac{1}{2}at^{2}}}$

Substitute the given values.

$\sf{105=(16 \times 5) + \bigg(\dfrac{1}{2}a\times 5^{2}\bigg)}$

$\implies \sf{105 = 80+\dfrac{25a}{2}}$

$\implies \sf{\dfrac{25a}{2}=105-80}$

$\implies \sf{\dfrac{25a}{2}=25}$

$\implies \sf{a = \dfrac{\cancel{25} \times 2}{\cancel{25}}}$

$\implies \sf{a = 2 }$

$\therefore \underline{\boxed{\bf{Acceleration = 2 \: m/s^{2}}}}$