Answer:
The average power is
Explanation:
From the question we are told that
The energy of the appliance is
The time considered is
Generally the average power consumption is mathematically represented as
=>
=>
Answer:
The speed of sound is greater in water ice
Explanation:
This is because water ice is in its solid form and sound travels faster in solids. This is due to its molecules being tightly packed together than in a liquid. The tightly packed molecules help sound collide quickly through it whereas in liquids the molecules aren’t tightly packed compared to a solid and the sound waves takes more time colliding through it.
A pulley because trust me dude I passed high school