Part 1

If A = 3 i^ + 6 j^ – 2 k, the direction of cosines of the vector A are If A = 3 i^ + 6 j^ - 2 k the direction of cosines of the vector A are September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , [...]

The unit vector parallel to the resultant of vectors A = i^ + 2 j^ – k^ and B = 2 i^ + 4 j^ – k is The unit vector parallel to the resultant of vectors A = i^ + 2 j^ - k^ and B = 2 i^ + 4 j^ - k [...]

If A = 3 i^ – 4 J^ and B = 2 i^ + 16 j^ then the magnitude and distance of A + B will be If A = 3 i^ - 4 J^ and B = 2 i^ + 16 j^ then the magnitude and distance of A + B will be September [...]

Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the magnitude of the minimum additional force needed is – the magnitude of the minimum additional force needed is - Three forces acting on a body are shown in the figure. To have the resultant [...]

Find the resultant of three vectors OA, OB, and OC shown in the following figure. Radius of the circle is R and OC shown in the following figure. Radius of the circle is R Find the resultant of three vectors OA OB September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - [...]

A person moves 30 m north, then 20 m east, then 30 root 2 m south-west. His displacement from the original position is: A person moves 30 m north then 20 m east then 30 root 2 m south-west. His displacement from the original position is: September 8, 2020 Category: Cengage NEET by C.P Singh [...]

While travelling from one station to another , a car travels 75 km north , 60 km north – east and 20 km east. The minimum distance between the two station is 60 km north - east and 20 km east. The minimum distance between the two station is a car travels 75 km north [...]

A particle moving with a speed v changes direction by an angle theta, without change in speed A particle moving with a speed v changes direction by an angle theta without change in speed September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 ,

The length of second’s hand in a watch is 1 cm. The magnitude of the change in velocity of its tip in 15 seconds is The length of second's hand in a watch is 1 cm. The magnitude of the change in velocity of its tip in 15 seconds is September 8, 2020 Category: Cengage [...]

A particle moves towards east with velocity 5 m/s. After 10 seconds its direction changes towards north with same . The average acceleration of the particle is A particle moves towards east with velocity 5 m/s. After 10 seconds its direction changes towards north with same . The average acceleration of the particle is September [...]