Home
Class 11
PHYSICS
If vecu=ahati+bhatj+chatk with hati,hatj...

If `vecu=ahati+bhatj+chatk` with `hati,hatj,hatk`are in east, north and vertical directions, horizontal component of velocity of projectile is

A

a

B

b

C

`sqrt(a^(2)+b^(2))`

D

`sqrt(b^(2)+c^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
East and north are taken as ground.
Promotional Banner

Similar Questions

Explore conceptually related problems

If vecu=ahati+bhatj+chatk with hati,hatj,hatk are in east, north and vertical directions, the maximum height of the projectileis

A ball is projected from the top of a tower with a velocity 3hati+4hatj+5hatk ms^(-1) ,where hati+hatj+hatk are unit vectors along east, north and vertical upwards respectively. If the height of the tower is 30 m , its range is (g=10 ms^(-1))

A ball is projected from the top of a tower with a velocity 3hati+4hatj+5hatk ms^(-1) ,where hati+hatj+hatk are unit vectors along east, north and vertical upwards respectively. If the height of the tower is 30 m , its time is (g=10ms^(-1))

Two vectors P=2hati+bhatj+2hatk and Q=hati+hatj+hatk will be parallel if

If vecA=5hati-2hatj+3hatk and vecB=2hati+hatj+2hatk , component of vecB along vecA is

A projectile is thrown with velocity v at an angle theta with the horizontal. When the projectile is at a height equal to half of the maximum height,. The vertical component of the velocity of projectile is.

If vecomega=2hati-3hatj+4hatk and vecr=2hati-3hatj+2hatk then the linear velocity is

The vectors 2hati+hatj-4hatk and ahati+bhatj+chatk are perpendicular, if

A projectile is thrown with a velocity vec v _(0) = 3hati + 4 hatj ms ^(-1) where hat I and hatj are the unit vectors along the horizontal and vertical directions respectively. The speed of the projectile at the highest point of its motion in ms ^(-1) is