Asked by Y.Abdulsalam
A ball thrown with a speed of 100m/s,attains a height of 150m (g is 9.8m/s2.Calculate (i) time of flight (ii)angle of projection
Answers
Answered by
kanchan
Hi Abdul,time of flight can be calculated by (2h/g)^1/2 which comes to be 30.6s.
Answered by
usama rajput
how electron and proton can deflect with same radius
Answered by
kanchan
Usama, what type of deflection you are talking about. Deflection in an electrical or magnetic field?
Answered by
Henry
Y^2 = Yo^2 + 2g*h.
0 = Yo^2 + (-19.6)*150,
Yo = 54.2 m/s = Initial ver. component.
1. Y = Yo + g*Tr.
0 = 54.2 -9.8Tr,
Tr = 5.53 s. = Rise time.
Tf = Tr = 5.53 s. = Fall time.
Tr+Tf = 5.53 + 5.53 = 11.1 s. = Time of flight.
2. Vo = 100m/s[Ao].
Yo = 100*sin A,
54.2 = 100*sin A,
A = 32.8o.
0 = Yo^2 + (-19.6)*150,
Yo = 54.2 m/s = Initial ver. component.
1. Y = Yo + g*Tr.
0 = 54.2 -9.8Tr,
Tr = 5.53 s. = Rise time.
Tf = Tr = 5.53 s. = Fall time.
Tr+Tf = 5.53 + 5.53 = 11.1 s. = Time of flight.
2. Vo = 100m/s[Ao].
Yo = 100*sin A,
54.2 = 100*sin A,
A = 32.8o.
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