A car starts with 10 m - s and accelerates with constant acceleration of 5 m - s 2- Find the final speed achieved by the car after 10 sec-A- 60 mB- 50 s mC- 40 m mD- 25 s - s

The correct option is A 60 m/sInitial speed of the car, u = 10 m/s Acceleration of the car, a = 5 m/s^2 Time interval, t = 10 sec ∴ v = u + at ⇒ v = 10 + 5 × ...

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Standard XII

Physics

Instantaneous Velocity

A car starts ...

Question

A car starts with $10 \frac{m}{s}$ and accelerates with constant acceleration of $5 \frac{m}{s^{2}}$ . Find the final speed achieved by the car after $10$ sec.

60 \frac{m}{s}

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50 \frac{m}{s}

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40 \frac{m}{s}

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25 \frac{m}{s}

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Solution

The correct option is A $60 \frac{m}{s}$
Initial speed of the car, $u = 10 \frac{m}{s}$
Acceleration of the car, $a = 5 \frac{m}{s^{2}}$
Time interval, $t = 10 s e c$
$∴ v = u + a t \Rightarrow v = 10 + 5 \times 10 = 60 \frac{m}{s}$

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A car starts with 10 ms and accelerates with constant acceleration of 5ms2. Find the final speed achieved by the car after 10 sec.

The correct option is A 60 msInitial speed of the car, u=10 ms Acceleration of the car, a=5 ms2 Time interval, t=10 sec ∴ v=u+at⇒v=10+5×10=60 ms

A car starts with $10 \frac{m}{s}$ and accelerates with constant acceleration of $5 \frac{m}{s^{2}}$ . Find the final speed achieved by the car after $10$ sec.

The correct option is A $60 \frac{m}{s}$
Initial speed of the car, $u = 10 \frac{m}{s}$
Acceleration of the car, $a = 5 \frac{m}{s^{2}}$
Time interval, $t = 10 s e c$
$∴ v = u + a t \Rightarrow v = 10 + 5 \times 10 = 60 \frac{m}{s}$