a ball is thrown upward with a speed of 15 m/s. find the speed of the ball after 2 s
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heya friend!!☺☺
here's your answer!!☺
v=u+at
v=15+(-9.8)*2 (g is acceleration due to gravity. it is negative since the object is moving upwards)
v=15-19.6
v=-4.6m/s;
u=15m/s;
t=2;
s=0.5*(u+v)*t;
s=0.5*(15-4.6)*2;
s=0.5*(10.4)*2;
s=10.4meters
hope it helps you!!☺☺
here's your answer!!☺
v=u+at
v=15+(-9.8)*2 (g is acceleration due to gravity. it is negative since the object is moving upwards)
v=15-19.6
v=-4.6m/s;
u=15m/s;
t=2;
s=0.5*(u+v)*t;
s=0.5*(15-4.6)*2;
s=0.5*(10.4)*2;
s=10.4meters
hope it helps you!!☺☺
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