1. First blank is A. Conductors
Second blank is D. Insulators
2. C. Heat
Answer:
C. both forces have the same magnitude
Explanation:
Here the action force is equal to the reaction force in accordance with the Newton's third law of motion.
Also when we apply the conservation of momentum so that the momentum bullet and the momentum of the gun are equal and according to the second law of motion by Newton, we have force equal to the rate of change in momentum.
We have the equation for momentum as:

Newton's second law is Mathematically given as:

Momentum is constant and the reaction time is equal, so the force exerted will also be equal.
Answers
1. cumulus ⇒ b. look like pieces of cotton in the sky
2. altostratus ⇒ c. resembles an overcast sky; layers of gray or white clouds
3. cirrus ⇒ a. look like wispy feathers high in the sky
4. nimbostratus ⇒ E.dark, thick-layered clouds; rain's coming
5. fog ⇒ d. clouds nearest Earth's surface
Answer:
0.96 kWh
Explanation:
First of all, we can find the power of the appliance using the formula:

where
V = 120 V is the voltage of the source
I = 2 A is the current
Substituting,

Now we want to find the amount of energy used by the applied in a time of
t = 4 h
The amount of energy is given by

where
P = 0.24 kW
t = 4 g
Substituting,
