A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?

Related Mcqs:

1. A Stone thrown from the top of a tall building follows a path that is:

   A. Circular
   B. Made of two straight line segments
   C. Hyperbolic
   D. Parabolic

   Submitted by: Shuaib Uddin

2. When a projectile moves upward , its vertical component of velocity?

   A. Decrease
   B. increase
   C. Remains same
   D. None of these

   Submitted by: Raza Baloch

3. A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?

   A. Maximum
   B. Zero
   C. Equal to the weight of the stone
   D. Less than the weight of the stone

4. If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?

   A. At the highest point
   B. At the lowest point
   C. At any point during motion
   D. At the point where gravity is not acting

5. The velocity of sound in air would become double than its velocity at 0°C at temperature ?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

6. The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

7. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180°
   B. 0°
   C. 90°
   D. 45°

8. A ball is thrown towards the earth and bounce back. During this process:

   A. Direction of velocity and acceleration changes
   B. Direction of Displacement and acceleration changes
   C. Direction of Displacement and Velocity changes
   D. Direction of Displacement, Velocity and acceleration changes

   Submitted by: Tauseef Ali

9. A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

   A. 22N
   B. 16N
   C. 20N
   D. 4N

   Submitted by: Huzaifa Naseer

10. Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

    A. 1.61 ms-1
    B. 61.0 ms-1
    C. 0.61 ms-1
    D. 2.00 ms-1