A projectile attains its maximum height when the angle of...
A projectile attains its maximum height when the angle of projection is?
30°
45°
60°
75°
90°
Correct answer is E
Range R is maximum for angle of projection of 45º.
Maximum height is achieved with an angle of 90
The graph above shows the expansion of water as the temperature increases from 0°C. Which of the...
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A brass cube of side 10cm is heated through 30°C. If the linear expansivity of brass is 2.0 &tim...
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