Answer:
Explanation:
Given that,
Block of mass M= 6kg
Initially at rest u =0
A force F = 12N is used in pulling it along the horizontal
Distance moved s = 3m
Speed.
Using Newton second law
ΣFx = ma
12 = 6a
Then, a = 12/6
a = 2m/s²
Then, using equation of motion
v² = u² + 2as
v² = 0² + 2×2×3
v² = 0 + 12
v = √ 12
v = 3.46 m/s
Answer:
Explanation:
Given,
Now, charge in capacitor
For discharging the RC circuit,
Differentiate with respect to the <em>'t'</em>
34. The element would have 34 protons. Also 34 electrons.
When air is warmer, the air particles move faster due to the heat, causing kinetic energy of the particles to increase. And as sound is produced when energy is transfered from one particle to another, with the particles moving faster, the energy will also be transfered faster, thus, allowing sound waves to travel faster in warmer air than in colder air