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20 Nov 2019
Setting a world record ina 100 m race, Maggie and Judy cross thefinish line in a dead heat,both taking 12.0 s.Acceleratinguniformly, Maggie took 2.00 s and Judy 2.90 s to attainmaximum speed, which they maintainedfor the rest of the race.
(a) Whatwas the acceleration of each sprinter? Maggie 1
Judy 2 m/s2
(b) What were their respective maximum speeds?
Maggie 3 Judy 4 m/s
(c) Which sprinter was ahead at the 6.00 s mark?
5Maggie Judy neither
(d) By how much was that sprinter ahead?
6 m
Setting a world record ina 100 m race, Maggie and Judy cross thefinish line in a dead heat,both taking 12.0 s.Acceleratinguniformly, Maggie took 2.00 s and Judy 2.90 s to attainmaximum speed, which they maintainedfor the rest of the race.
(a) Whatwas the acceleration of each sprinter?
(b) What were their respective maximum speeds?
(c) Which sprinter was ahead at the 6.00 s mark?
(d) By how much was that sprinter ahead?
6 m
| Maggie | 1 |
| Judy | 2 m/s2 |
(b) What were their respective maximum speeds?
| Maggie | 3 |
| Judy | 4 m/s |
(c) Which sprinter was ahead at the 6.00 s mark?
5
Maggie Judy neither
(d) By how much was that sprinter ahead?
6 m
Elin HesselLv2
25 Jul 2019
