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In coming to a stop, a car leaves skid marks 73 m long on the highway....

In coming to a stop, a car leaves skid marks 73 m long on the highway.

a.)Assuming a deceleration of 3.80 m/s2 , estimate the speed of the car just before braking.

Graphically determine the resultant of the following three vector displacements: (1) 24 m, 36? north of east; (2) 18 m, 37? east of north; and (3) 26 m, 33? west of south.

a.)Determine the resultant length.

b.)Determine the resultant direction.

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