Question

The position vector of a particle is given
by r = 3t^2î+ 4t^2ſ+ 7km at a given time ‘ť.
The net displacement of the particle after 10s is​

Answer 1

Answer:

Displacement:

=

300

i

+

400

j

+

7

k

Explanation:

r

(

t

)

=

3

t

2

i

+

4

t

2

j

+

7

k

∴

r

(

10

)

=

3

(

100

)

i

+

4

(

100

)

j

+

7

k

=

300

i

+

400

j

+

7

k

Explanation:

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