Answer:
Since the momentum of the body remains constant ( conserved) the trolley slows down (its velocity reduces) since its mass increases.
Answer:
volt ÷ ampere
Explanation:
The mathematical form of Ohms law is given by :
V = IR
Where V is voltage
I is current
R is resistance

The unit of voltage is volt and that of current is ampere
Unit of resistance :

So, volt ÷ ampere is the same as the unit of resistance. Hence, the correct option is (a).
Answer:
rad
Explanation:
∅ =
= 
∅ =
rad
The minimum resolvable angle =
rad
Steel is more dense because it’s heavy while water is light
Answer:
the speed is equal to 6 m/s
Explanation: