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e-lub [12.9K]
3 years ago
12

An object has a potential energy of 14 J and a mass of 17 kg , how far above the ground is the object? An object moving with a s

peed of 35 m/s and has a kinetic energy of 1500 J, what is the mass of the object. What is the Potential Energy of a 1200 kg object that is 24 m above the ground? What is the Potential Energy of a 478 kg object that is150 m above the ground? What is the Potential Energy of a 100 kg object that is 12.5 m above the ground? An object has a potential energy of 14 J and a mass of 17 kg , how far above the ground is the object? An object is 35 m above the ground and has a potential energy of 1500 J, what is the mass of the object?
Mathematics
1 answer:
victus00 [196]3 years ago
3 0

1. Potential Energy = mgh

h = U_g / (mg) = 14 / (17 * 9.81) = <u>0.084 m above the ground.</u>

2. Kinetic Energy = 1/2 mv^2

m = 2K_e / (v^2) = <u>2.45 kg</u>

3. U_g = mgh = (1200)(9.81)(24) = <u>282528 J</u>

4. U_g = mgh = (478)(9.81)(150) = <u>703377 J</u>

5. U_g = mgh = (100)(9.81)(12.5) = <u>12262.5 J</u>

6. h = U_g / (mg) = 14 / (17 * 9.81) = <u>0.084 m above the ground.</u>

<u />

7. m = U_g / (gh) = 1500 /  (9.81 * 35) = <u>4.37 kg</u>

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