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Stage 1
Answer 3 questions correctly in a row.
Two mammals are running on a savanna grassland. The kinetic energy of each mammal depends on the mammal's mass and speed.
| Mammal | Mass (kg) | Speed ( m/s ) | Kinetic energy (kJ) |
| lion | 125 | 16 | 16 |
| wildebeest | 250 | 16 | 32 |
Compare the two mammals.
The lion's mass is the wildebeest's mass.
1/4
1/2
equal to
2 times
4 times
The lion's speed is the wildebeest's speed.
1/4
1/2
equal to
2 times
4 times
The lion's kinetic energy is the wildebeest's kinetic energy.
1/4
1/2
equal to
2 times
4 times
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