Answer:
On Earth, flowing of liquid metal in the outer core of the planet generates electric currents. The rotation of Earth on its axis causes these electric currents to form a magnetic field which extends around the planet. The magnetic field is extremely important to sustaining life on Earth.
Explanation:
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Given terms :
- time (t) = 90 minutes = 1.5 hour
As we know, Distance covered is equal to :
Answer:
The difference between reversible and irreversible is reversible can be changed but irreversible can not.
Answer:
c) the speed of the cart is changing