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A small ball is projected horizontally between two large blocks. The ball is given a velocity V m/s and each of the large blocks move uniformly with a velocity of 2V m/s. The ball collides elastically with the blocks. If the velocity of the blocks do not change due to the collision, then find out the velocity of the ball after the 2nd collision.
5V
7V
9V
None of these
The charge flown through a circuit in the time interval between t and t+dt is given by dq=e−t/τdt, where τ is a constant. Find the toatal charge flown through the circuit t = 0 to t = τ
None of these
From a stationary tank of mass 125000 pound a small shell of mass 25 pound is fired with a muzzle velocity of 1000 ft/sec. The tank recoils with a velocity of
0.1 ft/sec
0.2 ft/sec
0.4 ft/sec
0.8 ft/sec
- 8 m/s2
- 6 m/s2
- 12 m/s2
- 10 m/s2
- esin−1x+C
- e−sin−1x+C
- esin−1x2+C
- esinx+C
The charge flown through a circuit in the time interval between t and t+dt is given by dq=e−t/τdt, where τ is a constant. Find the toatal charge flown through the circuit t = 0 to t = τ
τ(1e−1)
τ(1−1e)
τ(1+1e)
None of these
- logx+2x+1+C
- log(x+1)+log(x+2)+C
- logx+1x+2+C
- logxx+2+C
Figure shows the curve y=x2.Find the area of the shaded part between x=0 and x=6
216 unit2
72 unit2
12 unit2
None of these
- loge(x+2)(x+3)+C
- loge(x+2)+loge(x+3)+C
- loge(x+3)(x+2)+C
- None of these
- False
- True