Question

for a particle moving in a st line (x-t) position time equation is x=(t²-2t-8) m​

Answer 1

Answer:

x=2+8 t−4t

2

⇒ velocity =

dt

dx

​

=0+8−4(2)t

or

v=8−8t

​

at t=0 v=8 m/s & t=1⇒ v=0

t=2 ⇒ v=8−16=−8

so plotting the graph

we get

there points

A≡(0,8)

B≡(1,0)

C≡2,−8

distance =Area OAB+Area BOC

=

2

1

​

OB×OA+

2

1

​

O

′

B×O

′

C=

2

1

​

×1×8+

2

1

​

×(2−1)8=8 m

Explanation:

Answer 2

Answer:

Tick() the correct answers:

1. With the help of the Panchayat Samitis, Zila Parishad distributes

money among all

2. wards

b. gram panchayats

c. gram sabhas

2. This is the first level of the Panchayati Raj system:

Gram Panchayat

b. Panchayat Samiti

c. Zila Parishad

3. Every village panchayat is divided into

a. communities

b. sectors

c. wards

4. In some states, Gram Sabhas form committees to work with the

8

8

8

O

HOLIDAY HOMEWORK-6

41

a. Secretary

b. Sarpanch

c. Gram Panchayat

5. The Gram Panchayat is elected for

a. 5 years

c. 6 years

8

8

b. 3 years

O