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When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1. 0 m/s over a distance of 0. 50 mm.

Sagot :

The acceleration of the flea as it extends its legs is 1,000 m/s²
The given parameters;
final take off speed of the flea, v = 1 m/s
distance covered by the flea, d = 0.5 mm
The acceleration of the flea is calculated by applying the third kinematic equation;

where;
v is the final velocity of the flea
u is the initial velocity of the flea
a is the acceleration of the flea
The acceleration of the flea is calculated as;

Thus, the acceleration of the flea as it extends its legs is 1,000 m/s²