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frez [133]
2 years ago
11

Two forces, F1 and F2, act at a point. F1 has a magnitude of 8.60 N and is directed at an angle of 55.0 ∘ above the negative x a

xis in the second quadrant. F2 has a magnitude of 7.00 N and is directed at an angle of 53.2 ∘ below the negative x axis in the third quadrant. What is the x component Fx of the resultant force?
Physics
1 answer:
9966 [12]2 years ago
5 0

Answer:9.125 N

Explanation:

Given

Magnitude of Force F_1=8.60 N at  angle of 55^{\circ} above negative x axis

Magnitude of  Force F_2=7 N at  angle of 53.2^{\circ} below negative x axis

\theta _1=180^{\circ}-55^{\circ}=125^{\circ}

\theta _2=180^{\circ}+53.2^{\circ}=233.2^{\circ}

Thus net force in x direction

F_x=F_1\cos \theta _1+F_2\cos \theta _2

F_x=8.6\times \cos (125)+7\times \cos (233.2)

F_x=-9.1251 N towards negative x axis

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8 0
3 years ago
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What is the peak emf generated by rotating a 940-turn, 24 cm diameter coil in the Earth’s 5·10−5 T magnetic field, given th
elena-14-01-66 [18.8K]

Answer:

The peak emf generated by the coil is 2.67 V

Explanation:

Given;

number of turns, N = 940 turns

diameter, d = 24 cm = 0.24 m

magnetic field, B = 5 x 10⁻⁵ T

time, t = 5 ms = 5 x 10⁻³ s

peak emf, V₀ = ?

V₀ = NABω

Where;

N is the number of turns

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ω is the angular velocity

V₀ = NABω and ω = 2πf = 2π/t

V₀ = NAB2π/t

A = πd²/4

V₀ = N x (πd²/4) x B x (2π/t)

V₀ = 940 x (π x 0.24²/4) x 5 x 10⁻⁵ x (2π/0.005)

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V₀ = 2.6723 V = 2.67 V

The peak emf generated by the coil is 2.67 V

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3 years ago
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Answer:

The speed of the cart and clay after the collision is 50 cm/s .

Explanation:

Given :

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Putting all value in above equation .

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