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Sagot :
Answer:
B . x= v*cos ∅* 6.2
Explanation:
Time of flight of a projectile motion is the time taken by the object to reach the surface from when it was projected.
In this case ;
Initial launch velocity = v
Angle of launch is =∅
Time of flight = 6.2 seconds
The formula for time of flight is;
T= 2*v*sin∅ / g
At time t the displacement components for x and y are;
x= v* t * cos ∅ ----------------i
and
y =u* t * sin ∅ - 1/2 g*t² ------------ii
Taking equation i for displacement of the object in the x component
x = v* t* cos ∅
x = v * cos ∅ * 6.2
x = 6.2* v * cos ∅
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