1. Speed = Distance / Time = 150 m / 18 s = 8.33 m/s
2. Total distance = 4.0 km + 2.0 km + 1.0 km = 7.0 km; Total time = 32 min + 22 min + 16 min = 70 min; Average speed = 7.0 km / 70 min = 0.1 km/min
3. Time = 2 hours 30 minutes = 2.5 hours; Average speed = 120 km / 2.5 hr = 48 km/hr
4. Distance = Speed × Time = 600 km/hr × 2.5 hr = 1500 km
5. Total distance = 750 m + 250 m = 1000 m; Speed = 1000 m / 13 s ≈ 76.92 m/s
6. Displacement = 750 m North - 250 m South = 500 m North; Velocity = 500 m North / 13 s ≈ 38.46 m/s North
7. Acceleration = (Final velocity - Initial velocity) / Time = (26 m/s - 10 m/s) / 2 s = 16 m/s / 2 s = 8 m/s²
Parent Tip: Review the logic above to help your child master the concept of speed velocity and acceleration worksheet.