Answer:
2.0 × 10⁴ mg
Explanation:
Step 1: Given data
Mass (m): 0.020 kg
Step 2: Convert the mass from kilograms to grams
We will use the conversion factor 1 kg = 1,000 g.
0.020 kg × (1,000 g/1 kg) = 20 g
0.020 kg is equal to 20 g.
Step 3: Convert the mass from grams to milligrams
We will use the conversion factor 1 g = 1,000 mg.
20 g × (1,000 mg/1 g) = 2.0 × 10⁴ mg
20 g is equal to 2.0 × 10⁴ mg. Then, 0.020 kg is equal to 2.0 × 10⁴ mg.
Answer:
Examples of Gravitational Potential Energy
A raised weight. Water that is behind a dam. A car that is parked at the top of a hill. A yoyo before it is released.
Answer:
(185 g Ca) / (40.0784 g Ca/mol) × (6.022 × 10^23 atoms/mol) = 2.78 × 10^24 atoms Ca
Explanation:
N= m/v n=0.077/.200 = 0.385