Question

Two spheres of masses 5kg and 7kg have their centre 70 cm apart. Find the centre of mass Of this system .

Answer 1

Answer:

given

masses=5kg and 7 kg

there center =70cm

center of mass=5kg×7kg/70cm

=1/2 that=0.5 kg cm

Answer 2

Dear Student,

◆ Answer -

CM = 40.83 cm

● Explanation -

# Given -

m1 = 5 kg

m2 = 7 kg

x = 70 cm

# Solution -

Centre of mass from m1 is calculated by -

CM = m2 × x / (m1 + m2)

CM = 7 × 70 / (5 + 7)

CM = 490 / 12

CM = 40.83 cm

Hence, centre of mass from 5 kg object is 40.83 cm.

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