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Grade: 11
        
two bodies were projected vertically upward from the earth. the difference between their times of accent was 2 sec. While the difference between the maximum heights reached by them was 49m. What were their velocities?
one year ago

Answers : (1)

Vector Gaming
15 Points
							
T1=u1/g
T1=u2/g
H1=u1^2/2g
H2=u2^2/2g
U1-u2=20.      h1-h2=98g
So
u1=10+u2
Substitute in h1-h2
400+40u2=980
u2=14.5.    
u1=34.5
 
one year ago
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