Answer:
96.7 s
Explanation:
Time of flight in projectile can be calculated thus:
T = 2 × u × sin ϴ/ g
Where;
T = time of flight (s)
u = initial velocity (m/s)
ϴ = Angle of projectile (°)
g = acceleration due to gravity (9.8m/s²)
Based on the provided information; u = 670m/s, ϴ = 45°
Hence, using T = 2.u.sin ϴ/ g
T = 2 × 670 × sin 45° ÷ 9.8
T = 1340 × 0.7071 ÷ 9.8
T = 947.52 ÷ 9.8
T = 96.68
T = 96.7s
Answer:
F = q v B sin Θ describes force on the electron
F = m v^2 / R describes force required to keep electron in circular path
q v B sin Θ = m v^2 / R
R = m v / (q B sin Θ)
R = 9.1E-31 * 1E7 / (.1 * 1.6E-19 * .423)
R = 9.1 / 6.77 * E-3 = .00134 m = .134 cm
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There are no nonmetals on the list you provided.
