- Problem 1: Speed = Distance / Time = 150 m / 18 s = 8.33 m/s
- Problem 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 = 0.10 km/min
- Problem 3: Time = 2 hours 30 minutes = 2.5 hours; Average Speed = 120 km / 2.5 hr = 48 km/hr
- Problem 4: Distance = Speed × Time = 600 km/hr × 2.5 hr = 1500 km
- Problem 5: Total Distance = 750 m + 250 m = 1000 m; Time = 15 s; Speed = 1000 m / 15 s = 66.67 m/s
- Problem 6: Displacement = 750 m North - 250 m South = 500 m North; Velocity = Displacement / Time = 500 m North / 15 s = 33.33 m/s North
- Problem 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 velocity problems worksheet.