Which of the following energy forms is associated with an object due to its position?

a. potential
b. positional
c. total
d. kinetic


Ans: a. potential

Physics & Space Science

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What quantities does angular momentum depend upon?

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A 2.0 meter long Aluminum wire (R = 0.44 m?, ? = 2.82 × 10-8 ?-m, ? = 4.29 × 10-3 C-1 ) is connected in series to an 8.0 meter long Tungsten wire (R = 0.20 m?, ? = 5.6 × 10-8 ?-m, ? = 4.5 × 10-3 C-1)

What is the resistance of the combination if the wire is heated to 150.°C? Assume the initial temperature for both wires is room temperature (20°C). A) 0.78 m? B) 0.88 m? C) 0.69 m? D) 1.00 m? E) 0.64 m?

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A convex mirror has a focal length of ?20 cm. What is the position of the resulting image (in cm) if the image is upright and four times smaller than the object?

a. ?100 b. ?25 c. ?50 d. ?15 e. ?10

Physics & Space Science