Question

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5A Truck starts from rest and roll down a hill
with a constant acceleration. It travels a clistance
of 400 m in 20s. Find its acceleration. Find
the force acting
on it is its mass is 7 tonnes
X Chints tonne
1ooo kg]
u=0
D = 400m
t = cosec
m= lovo kg​

Answer 1

Step-by-step explanation:

(i) Radius of sphere, r = 7 cm

Using, Volume of sphere = (4/3) πr3

= (4/3)×(22/7)×73

= 4312/3

Hence, volume of the sphere is 4312/3 cm3

(ii) Radius of sphere, r = 0.63 m

Using, volume of sphere = (4/3) πr3

= (4/3)×(22/7)×0.633

= 1.0478

Hence, volume of the sphere is 1.05 m3 (approx