Question

3/ak
a. K
b. 45°
c. 76°
a. 30°
C. 180°
a. 0°
At what angle of projection, the horizontal range is equal to maximum height
When a body moves in circle, the angle between its linear velocity and angular ve
With what velocity projectile is projected at angle of 60° with horizontal remains in
What is initial velocity of a mortar shell fired at an angle 15° and its range is 16 ft
A car going around a certain curve as a speed of 10m/sec, has centripetal force oni
b. K2
d. none of these
b. 90°
d. none of these
second and covered horizontal range 4 km.
a. 2000m/sec b. 4000m/sec
a. 16ft/sec b. 32ft/sec C. 64ft/sec
d. none of these
c. 6000m/sec d. 8000m/sec e. none of these
e. none of these
speed of car is 72 km/sec then centripetal force becomes.
a. 25 N
b. 50 N
c. 200 N
d. 400N
n hydrogen atom an electron revolves with a period 6.28 second. Then its angus
. one radian/sec
b. two radian/sec
three radian/sec
d. none of these
7 object of mass 100 kg rotates at constant speed in a horizontal circle of diameter 200 g
e complete revolution is 5 second, what is magnitude of resultant force acting on the ot
0.8 II N
b. 8 J2 N
C 162 N​

Answer 1

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