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A student claims that two cars of equal mass, one moving at 40 km/h and another at 80 km/h, have the same kinetic energy if their engines provide the same power. What is the error in this reasoning?
The cars have equal energy if the engines are identical.
Kinetic energy depends on the square of speed, not just on power supplied.
Power supplied determines energy, regardless of speed.
Both cars have equal kinetic energy since both cover the same distance.
Kinetic energy depends on the square of speed, not just on power supplied.
Practice and solve "A student claims that two cars of equal mass, one moving at 40 km/h and another at 80 km/h, have the..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: Kinetic energy depends on the square of speed, not just on power supplied.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A student claims that two cars of equal mass, one moving at 40 km/h and another at 80 km/h, have the..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: Kinetic energy depends on the square of speed, not just on power supplied.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.