An object is thrown horizontally from a tower H meter high with a velocity of `sqrt(2gH)` m/s. Its velocity on striking the ground will be :

Question

An object is thrown horizontally from a tower H meter high with a velocity of `sqrt(2gH)` m/s. Its velocity on striking the ground will be :

An object is thrown horizontally from a tower H meter high with a velocity of `sqrt(2gH)` m/s. Its velocity on striking the ground will be :
A. `sqrt(2gH)`
B. `sqrt(6 gH)`
C. `2 sqrt(gH)`
D. `2 sqrt(2 gH)`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Related Questions

Let a, b, c, d be real numbers between â€“ 5 and 5 such that `|a|=sqrt(4-sqrt(5-a)),|b|=sqrt(4+sqrt(5-b))`, `|c|=sqrt(4-sqrt(5+c)),|d|=sqrt(4+sqrt(5+d

2 Answers 4 Views

The angle of elevation of the top of a tower from a point at a distance 40 m from the foot of the tower is 45°. Then the height of the tower is

2 Answers 8 Views

A ball is thrown upwards from the top of a tower `40 m` high with a velocity of `10 m//s.` Find the time when it strikes the ground. Take `g=10 m//s^2

2 Answers 4 Views

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about:-

2 Answers 5 Views

`int_(-1)^(1/2)(e^x(2-x^2)dx)/((1-x)sqrt(1-x^2))i se q u a lto` `(sqrt(e))/2(sqrt(3)+1)` (b) `(sqrt(3e))/2` `sqrt(3e)` (d) `sqrt(e/3)`

2 Answers 4 Views

If `a/(b c)-2=sqrt(b/c)+sqrt(c/b),` where `a , b , c >0,` then the family of lines `sqrt(a)x+sqrt(b)y+sqrt(c)=0` passes though the fixed point given b

2 Answers 5 Views

The equation of the lines passing through the point `(1,0)` and at a distance `(sqrt(3))/2` from the origin is `sqrt(3)+y-sqrt(3)` =0 `x+sqrt(3)y-sqrt

2 Answers 6 Views

If `sin^(-1)x_i in [0,1]AAi=1,2,3, .28` then find the maximum value of `sqrt(sin^(-1)x_1)sqrt(cos^(-1)x_2)+sqrt(sin^(-1)x_2)sqrt(cos^(-1)x_3)+` `sqrt(

2 Answers 5 Views

The value of `sin^(-1)[xsqrt(1-x)-sqrt(x)sqrt(1-x^2)]` is equal to `sin^(-1)x+sin^(-1)sqrt(x)` `sin^(-1)x-sin^(-1)sqrt(x)` `sin^(-1)sqrt(x)-sin^(-1)x`

2 Answers 5 Views

If ` A(3/sqrt(2), sqrt(2))`, `B(-3/sqrt(2), sqrt(2)), C(-3/sqrt(2), -sqrt(2))` and `D(3 cos theta , 2 sin theta)` are four points . If the area of the

2 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`W_(g) = Delta K.E.`
`mgH = (1)/(2) mv^(2) - (1)/(2) m (sqrt(2gH))^(2)`

6 views Answered 2023-02-05 15:29