Question

A particle moving in a straight line,
convers first
1
3
rd of time with a
constant speed 10 kmph, next
1
3
rd
of time with a constant speed 20
kmph and last
1
3
rd of time with a
constant speed 30 kmph. The
average speed of the particle is
(1) 10 km ph
(2) 20 km ph
(3) 30 km ph
(4) 40 kmph

Answer 1

Answer:

.Draw the following angles using a protractor:

a) 75 ,base =8cm b) 35 ,base 6.8 cm