Displacement

Q. Tom moves 3 m towards North, then 4 m towards East and finally 6 m towards South. What is his net displacement?

1. 5 m in the South-East direction
2. 5 m in the South-West direction
3. 3 m in the South direction
4. 6 m in the South direction

Q.

A particle returns to its starting point after one hour. What is its
1. Displacement
2. Average velocity.

Q. A boy starts on the corner of a square field of side $a$. He chases a rabbit and finally catches it on the opposite corner of the field. Find his displacement in the process.

1. $a$
2. $2a$
3. $2\sqrt{2}a$
4. $\sqrt{2}a$

Q.

Unit of angular velocity is

1. rad

2. $m{s}^{-1}$

3. $rad{s}^{-2}$

4. $rad{s}^{-1}$

Q. An aeroplane flies $400m$ towards the north, $300m$ towards west and then $1200m$ vertically upwards. Then, its displacement from the initial position is

1. $1400m$
2. $1500m$
3. $1300m$
4. $1200m$

Q. While traveling from one station to another, a car travels $75km$ north $60km$ northeast and $20km$ east. The total displacement is

1. $112km$
2. $72km$
3. $133km$
4. $155km$

Q.

Which of the following is true for displacement?
(a) It cannot be zero.
(b) Its magnitude is greater than the distance traveled by the object.

Q. When a ball rolls down the inclined plane starting from rest, the distance covered is proportional to time squared.

1. False
2. True

Q. A body completes one round of a circle of radius $R$ in $20$ second. The displacement of the body after $45$ second is :

1. $\sqrt{2}R$
2. $\frac{R}{\sqrt{2}}$
3. $2R$
4. $2\sqrt{2}R$

Q. A man travels $1$ mile due east, then $5$ miles due south, then $2$ miles due east and finally $9$ miles due north. His displacement is

1. $3$ miles
2. $5$ miles
3. $4$ miles
4. between $5$ and $9$ miles

Q.

Which of the following statements is true for displacement?

1. It cannot be zero.

2. Its magnitude is greater than the distance travelled by the object.

3. It is a scalar quantity.

4. Its magnitude is less than or equal to the distance travelled by the object.

Q. Displacement of particle is x=4(cos22/7t + sin22/7t) .the amplitude of particle is

Q. Define force and work.

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> A car travels with a speed of 12 m/s, while a scooter travels with a speed of 36 km/h. Which of the two travels faster?

Q.

A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward and so on. Each step is 1 m long and takes 1 s. There is a pit on the road 11 m away from the starting point. The drunkard will fall into the pit after:

1. 21s

2. 29s

3. 31s

4. 37s