The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________?

Related Mcqs:

1. The angle of projection at which the horizontal range and maximum height of a projectile are equal to___________________?

   A. 45° B. tan-1 (2) C. tan-‘ (4) D. tan”1 (1/4)...

2. A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?

   A. 1/4 B. 1/3 C. 1/2 D. 1/5 Assume g = 10 m/sec2...

3. For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?

   A. 30° B. 45° C. 90° D. 0°...

4. If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is__________________?

   A. zero B. maximum C. minimum D. unpredictable...

5. If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?

   A. 0 and 5 m/sec B. 5 m/sec and 0 C. 5 V3 m/sec and 0 D. 5 and 5V3 m/sec...

6. The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________?

   A. 98 m B. 490 m C. 980 m D. 1960 m...

7. A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?

   A. 15° B. 30° C. 45° D. 75°...

8. A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is______________________?

   A. 3/4 B. 4/5 C. 5/3 D. 3/5...

9. A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is____________________?

   A. 0.5 m B. 0.75 m C. 1.0 m D. 1.5 m...

10. A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is_____________________?

    A. 1/4 B. 2/3 C. 3/4 D. 4/3...