Answer:
Kinematics is the study of how things move while dynamics is the study of forces and motion
Answer:
it is known as SURFACE TENSION
Explanation:
SURFACE TENSION is the property of water where the water can resist the force from above the 'surface' of the water. The Pond Skater is so light in weight that it doesn't break this tension at all allowing it to 'walk on water'
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Answer:
The magnetic field at the center of a circular loop is .
Explanation:
Given that,
Radius = 4.0 cm
Current = 2.0 A
We need to calculate the magnetic field at the center of a circular loop
Using formula of magnetic field
Where, I = current
r = radius
Put the value into the formula
Hence, The magnetic field at the center of a circular loop is .
Answer:
B. Projectile motion is the correct one
<span>Ocean water conducts electrical current because it contains electrolytes. Electrolytes are good conductors of electricity, and are naturally present in appropriate amounts in bodies of water. However, pure water (without electrolytes or metals) is not a conductor of electricity. </span>