Answer:
Explanation:
Given:
- average walking speed,
- average biking speed,
<u>According to given condition:</u>
where:
time taken to reach the building by walking
time taken to reach the building by biking
We know that,
so,
Answer:
An electric motor is a device that changes electrical energy into mechanical energy. This change occurs due to the interaction between the magnetic field of magnets and the magnetic field due to the electric current in the loop. The interaction between the two produces a torque that makes the loop rotate on a shaft.
Frequency is the vibration of noise and the vibration determines the pitch, which we depend on to be a pitch or frequency we can hear. If it's too high or too low our ears can't hear it
When the mixture (the sugar and water) is frozen, it separates. The water molecules get closer together, separating and pushing the sugar crystals to the top.<span />
Answer:
b. they get blown in from colder or warmer areas.
