A train moves with a speed of 108 kmph. Its speed in metres per second is a. 10.8 m/sec       b. 18 m/sec      c. 30 m/sec        d. 38.8 m/sec

A train moves with a speed of 108kmph .Its speed in metres per second is a.10.8m/sec, b.18m/secquad c.30m/sec38.8m/sec

Change a speed of 12 m/sec into km/hr.

Change a speed of 12 m/sec into km/hr.

If the uniform acceleration near the surface of the earth is about 9.8 m//sec^2 . for a free-fall, what Is the velocity at the end of 2 seconds of fall (neglect friction) ? A. 14.6 m/sec B. 17.0 m/sec C. 19.6 m/sec D. 9.8 m/sec.

A train 280m long,running with a speed of 63km/hr will pass a tree in: 1backslash sec b.16backslash sec c18sec d.20sec

The maximum height is reached in 5s by a stone thrown vertically upwards and moving under the equation 10s=10ut-49t^(2) , where s is in metre and t is in second. The value of u is: a) 4.9 m/sec b) 49 m/sec c) 98 m/sec d)None of these