W=mass X gravity
<span>since the weight is computed </span>
<span>mass=w / gravity </span>
<span>so </span>
<span>mass=1100 / 9.81 </span>
<span>MASS=112.1304KG </span>
<span>PE=MGH </span>
<span>=112.1304 x 9.81 x 2.2 </span>
<span>PE=2420 JOULE </span>
The gravitational potential energy will increase by 423.36 J
<h3>How to determine the potential energy at ground level</h3>
- Mass (m) = 72 kg
- Acceleration due to gravity (g) = 9.8 m/s²
- Height (h) = 0 m
- Potential energy at ground level (PE₁) =?
PE = mgh
PE₁ = 72 × 9.8 × 0
PE₁ = 0 J
<h3>How to determine the potential energy at 60 cm (0.6 m)</h3>
- Mass (m) = 72 kg
- Acceleration due to gravity (g) = 9.8 m/s²
- Height (h) = 0.6 m
- Potential energy at 60 cm (0.6 m) (PE₂) =?
PE = mgh
PE₂ = 72 × 9.8 × 0.6
PE₂= 423.36 J
<h3>How to determine the change in potential energy </h3>
- Potential energy at ground level (PE₁) = 0 J
- Potential energy at 60 cm (0.6 m) (PE₂) = 423.36 J
- Change in potential energy =?
Change in potential energy = PE₂ - PE₁
Change in potential energy = 423.36 - 0
Change in potential energy = 423.36 J
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I think trace 1 is ac and trace 2 if dc but i’m not sure what will happen when a higher frequency is added?
Answer: Decreases in mass cause decreases in kinetic energy due to the aforementioned positive relationship between the two. Therefore when mass is decreased, an increase in kinetic energy is possible if velocity increases.
<em>Acceleration is defined as change in velocity divided by time duration.</em>
<em>70 kmph = 70 * 1000 meter / 3600 sec = 175/9 meter / sec</em>
<em>Acceleration = [ 175/9 - 0 ] m/sec / 7 sec</em>
<em> = 175 / (9 * 7) = 25/9 </em>m/sec²
<em> = 2.77 meters/ sec²</em>