a projectile is thrown with speed 40m/s at angle θ from horizontal . it is found that projectile is at same height at 1s and 3s. what is the angle of projection

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Q. A projectile thrown with an initial speed

u

and the angle of projection

15^{o}

to the horizontal has a range

R

. If the same projectile is thrown at an angle of

45^{o}

to the horizontal with speed

2 u

, what will be its range?

Q. Figure shows a projectile thrown with speed u = 20 m/s at an angle

30^{0}

with horizontal from the top of a building 40 m high. Then the horizontal range of projectile is

Q. Figure shows a projectile thrown with speed u=

20

m/s at an angle

30

with horizontal from the top of a building

40

m high then the horizontal range of projectile is.

A projectile thrown with an initial speed u and angle of projection $15^{\circ}$ to the horizontal has a range R. If the same projectile is thrown at an angle of $45^{\circ}$ to the horizontal with speed 2u, its range will be

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