Homework Answers
given
B = 1.5 T
d = 75 cm = 0.75 m
m = 1.6 g = 0.0016 kg
L = 10 cm = 0.10 m
I = 20 A
magnetic force acting on projectile, F = B*I*L
acceleration of projectile, a = F/m
= B*I*L/m
= 1.5*20*0.1/0.0016
= 1875 m/s^2
now use, vf^2 - vi^2 = 2*a*d
vf^2 - 0^2 = 2*1875*0.75
vf = sqrt(2*1875*0.75)
= 53.0 m/s <<<<<<<<<<--------------------------Answer
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projectile to very high velocities. The basic mechanism of
acceleration is relatively simple and can be illustrated in the
following example. A metal rod of mass 50.0 gand electrical
resistance 0.500 Ω rests on parallel horizontal rails that have
negligible electric resistance. The rails are a distance L = 7.00
cm apart. (Figure 1)The rails are also connected to a voltage
source providing a voltage of V = 5.00 V ....
A rail gun uses electromagnetic forces to accelerate a projectile to very high velocities. The basic...
A rail gun uses electromagnetic forces to accelerate a
projectile to very high velocities. The basic mechanism of
acceleration is relatively simple and can be illustrated in the
following example. A metal rod of mass 10.0g and electrical
resistance 0.300Ω rests on parallel horizontal rails that have
negligible electric resistance. The rails are a distance L = 5.00
cm apart. (Figure 1)The rails are also connected to a voltage
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