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

Related Mcqs:

1. 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?

   A. 4.00 s
   B. 5.00 s
   C. 6.00 s
   D. 7.00 s

   Submitted by: Maryum

2. 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°

3. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0
   B. Maximum
   C. Variable
   D. Infinite

4. The velocity of an oscillating charge as it moves to and fro along a wire is always_____________?

   A. constant
   B. zero
   C. changing
   D. infinite

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. At which angle the range of the projectile is maximum____________________?

   A. 45
   B. 60
   C. 30
   D. none

8. Which of the following is not an example of projectile motion ?

   A. a gas filled ballon
   B. bullet fired from gun
   C. a football kicked
   D. a base ball shot

9. The trajectory (or path) of a projectile is_________________?

   A. straight line
   B. parabola
   C. hyperbola
   D. circle

10. The range of the projectile at 30 deg and 60 deg are__________________?

    A. equal to 45 deg
    B. equal to 90 deg
    C. equal to each other
    D. none of the above