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))`

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 body projected from the top of a tower with a velocity u = 3i + 4j + 5k ms^(-1) . Where hatj and hatk are unit vectors along east, north and vertically upwards respectively. If the height of the tower is 30 m, horizontal range of the body on the ground is(g = 10ms^(-2) )

If hati,hatj and hatk are unit vectors along X,Y & Z axis respectively, then what is the magnitude of hati + hatj + hatk

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :

find the projection of the vector hati+2hatj+3hatk on the vector 5hati-2hatj+4 hatk

vecA = -2hati + 3hatj - 4hatk and vecB = 3hati - 4hatj + 5hatk where, hati, hatj and hatk are unti vectors along x,y and axes respectively. Find vecA + vecB , vecA - vecB, vecA.vecB and vecA xx vecB .