A projectile is projected at `10ms^(-1)` by making an angle `60^(@)` to the horizontal. After sometime, its velocity makes an angle of `30^(@)` to the horzontal . Its speed at this instant is:

A projectile is projected at 10 ms^(-1) by making at an angle 60^(@) to the horizontal. After some time its velocity makes an angle of 30^(@) to the horizontal. Its speed at this instant is

A projectile is projected from the ground by making an angle of 60^@ with the horizontal. After 1 s projectile makes an angle of 30^@ with the horizontal . The maximum height attained by the projectile is (Take g=10 ms^-2)

A projectile is projected from the ground by making an angle of 60^@ with the horizontal. After 1 s projectile makes an angle of 30^@ with the horizontal . The maximum height attained by the projectile is (Take g=10 ms^-2)

A particle is projected at an angle of 60^(@) above the horizontal with a speed of 10m//s . After some time the direction of its velocity makes an angle of 30^(@) above the horizontal. The speed of the particle at this instant is

A particle is projected at an angle of 60^(@) above the horizontal with a speed of 10m//s . After some time the direction of its velocity makes an angle of 30^(@) above the horizontal. The speed of the particle at this instant is s

A particle is thrown with a speed 60 ms^(-1) at an angle 60^(@) to the horizontal. When the particle makes an angle 30^(@) with the horizontal in downward direction, it's speed at that instant is v. What is the value of v^(2) in SI units ?

A particle is thrown with a speed 60 ms^(-1) at an angle 60^(@) to the horizontal. When the particle makes an angle 30^(@) with the horizontal in downward direction, it's speed at that instant is v. What is the value of v^(2) in SI units ?

A particle is thrown with a speed 60 ms^(-1) at an angle 60^(@) to the horizontal. When the particle makes an angle 30^(@) with the horizontal in downward direction, it's speed at that instant is v. What is the value of v^(2) in SI units ?

A particle is projected with velocity 50 m/s at an angle 60^(@) with the horizontal from the ground. The time after which its velocity will make an angle 45^(@) with the horizontal is