Answer:
All 4 could be justified.
Explanation:
They all represent ultimate improvement.
Answer:d
Explanation:
(d) chain drive belt drive gear drive
Answer:
105 km
Explanation:
The motorist was going 30 km/hr, and it took 3 hours 30 minutes. That's 3.5 hours. 3.5×30=105
Answer:
Answer is c Heisenberg's uncertainty principle
Explanation:
According to Heisenberg's uncertainty principle there is always an inherent uncertainty in measuring the position and momentum of a particle simultaneously.
Mathematically

here 'h' is planck's constant
the answer is (c)
After the vehicle is involved in a car accident or fire