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.

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