Question

A car starting from rest attains a velocity of 60 km/h in 1 minute. Calculate :
(I) its average velocity, acceleration.
(ii) distance travelled during first 1 minute.
(iii)acceleration
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Answer 1

Answer:

The average velocity is 8.33 m/s, the acceleration is 0.278 m/s² and the distance traveled in first 1 min is 999.6 m. Hence, The average velocity is 8.33 m/s, the acceleration is 0.278 m/s² and the distance traveled in first 1 min is 999.6 m

Answer 2

Step-by-step explanation:

For first lens

Image distance v = 2u = 2 × (-50) = -100 cm

For second lens

Now u = - 190 cm, f = - 8 cm, m2 = ?

Net magnification = m1 m2 = 0.08

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