Question

Uе.
(A) 13.6 g cm 3
(C) 136 g cm-3
(B) 1360 g cm
(D) 1.36 9 cm3
50. If the acceleration due to gravity is 10 ms? and
the units of length and time are changed to
kilometre and hour, respectively, the numerical
value of the acceleration is:
(A) 360000
(C) 36000
(B) 72000
(D) 129600
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Answer 1

Answer:

SI unit of density is Kg/m³

1 m = 100 cm => 1 cm = 10-² m

1 Kg = 1000g => 1g = 10-³ Kg

now,

13.6 g/cm³ = 13.6 × ( 10-³)/(10-²)³ Kg/m³

= 13.6 × 10-³/10^-6 Kg/m³

= 13.6 × 10^(-3 + 6) Kg/m³

= 13.6 × 10³

Answer 2

Answer:

kgm^(-3).

Please support me I am a new learner.