A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60¬¨‚àû. The velocity attained by the projectile when it is moving at a height of 100 m, is$

A projectile is fired with a velocity of 100.3 m/sec. at an elevation

1.	A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60¬¨‚àû. The velocity attained by the projectile when it is moving at a height of 100 m, is$
A.	70 m/sec
B.	75 m/sec
C.	80 m/sec
D.	90 m/sec
Answer» E.

Discussion

No Comment Found

Related MCQs

A system of coplanar forces is in equilibrium when%!
The motion of a particle is described by the relation x = t¬¨‚â§- 10t + 30, where x is in meters and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be%!
A body of weight ‚Äö√Ñ√≤w‚Äö√Ñ√¥ placed on an inclined plane is acted upon by a force ‚Äö√Ñ√≤P‚Äö√Ñ√¥ parallel to the plane which causes the body just to move up the plane. If the angle of inclination of the plane is ‚Äö√Ñ√≤≈í‚àè‚Äö√Ñ√¥ and angle of friction is ‚Äö√Ñ√≤≈ì√ú‚Äö√Ñ√¥, the minimum value of ‚Äö√Ñ√≤P‚Äö√Ñ√¥, is%!
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ¬¨Œ©, the velocities of separation of the balls will be equal to%!
A satellite moves in its orbit around the earth due to%!
If a particle moves with a uniform angular velocity ‚Äö√Ñ√≤≈ì√¢‚Äö√Ñ√¥ radians/sec along the circumference of a circle of radius ‚Äö√Ñ√≤r‚Äö√Ñ√¥, the equation for the velocity of the particle, is%!
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by%!
The beam shown in below figure is supported by a hinge at ‚Äö√Ñ√≤A‚Äö√Ñ√¥ and a roller at ‚Äö√Ñ√≤B‚Äö√Ñ√¥. The reaction RA of the hinged support ‚Äö√Ñ√≤A‚Äö√Ñ√¥ of the beam, is%!
The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60¬¨‚àû, it is 37 kgf. The magnitudes of the forces are:%!
A force P of 50 N and another force Q of unknown magnitude act at 90¬¨‚àû to each other. They are balanced by a force of 130 N. The magnitude of Q is%!

A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60¬¨‚àû. The velocity attained by the projectile when it is moving at a height of 100 m, is$

Discussion

No Comment Found

Related MCQs

Reply to Comment