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Questions and Answers
What is the total surface area of the cube with sides measuring 2.501 cm each?
What is the total surface area of the cube with sides measuring 2.501 cm each?
- 62.53 cm²
- 62.56 cm² (correct)
- 125.12 cm²
- 25.01 cm²
In an explosion where a 10 kg bomb splits into fragments of 6 kg and 4 kg, with the 6 kg fragment moving at 2 m/s, what is the velocity of the 4 kg fragment?
In an explosion where a 10 kg bomb splits into fragments of 6 kg and 4 kg, with the 6 kg fragment moving at 2 m/s, what is the velocity of the 4 kg fragment?
- 2 m/s
- 4 m/s
- 1 m/s (correct)
- 3 m/s
How does the acceleration due to gravity 'g' change at a depth 'd' below the surface of the earth?
How does the acceleration due to gravity 'g' change at a depth 'd' below the surface of the earth?
- It increases linearly with depth
- It remains constant regardless of depth (correct)
- It decreases linearly with depth
- It increases exponentially with depth
On a stress-strain graph for a metallic wire, where does the elastic limit typically lie?
On a stress-strain graph for a metallic wire, where does the elastic limit typically lie?
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If a steel cable with radius 'r' can support a chair lift, what would be the maximum load it can support if the radius of the cable is doubled?
If a steel cable with radius 'r' can support a chair lift, what would be the maximum load it can support if the radius of the cable is doubled?
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