A yo-yo is twirled on a 4 meter long string so that its tangential
1 answer:
Answer:
8m/s
Explanation:
i think i had this question on a test i'm taking so i'm assuming i cannot say for sure if this is correct
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Answer:
λ = c / f or f = c / λ
f = 3.0E8 / 4.0E-7 = .75E15 / sec = 7.5E14 / sec = 7.5 X 10^14 /sec
The best answer is D. field lines should always be crossing each other.
Answer:
0.18216 T
Explanation:
N = Number of turns = 219
A = Area = 
r = Radius = 1 cm
= Angular speed = 
Maximum emf is given by
The strength of the magnetic field is 0.18216 T
a)
F= ma
a=v/t
F=5*(35/5)
F=35N
b)
a=F/m
a=(35-2)/5
a=33/5
a=6.6N
