A 10-W light bulb is connected into a 220-V outlet. (a) What is the resistance of the bulb? (b) What is the current in the bulb? (c) If the light bulb is turned on for a month (30 days) and the electric energy cost P1.50/kW-h, how much is the electric bill?

Q: One of the following is the vector product of vectors A = 4i + 6j + 8k and B = 6i + 8j – 10k where…

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Q: Given  vector M= 4 î + 4 ĵ − 5  and vector N= 5 î − 4 ĵ − 3k̂ , calculate the vector product, vector…

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Q: Assuming the +x-axis is horizontal to the right for the vectors in the following figure, find the…

A: a)Resolve vector A into respective x and y components as,

Q: The figure shows three vectors. Vector ?⃗ A→ has a length of 31.031.0, vector ?⃗ B→ has a length of…

A: Concept: Here, the three vectors are given. The length of each vector is, A→=31.0B→=64.0C→=22.0 The…

Q: What is the vector product of: 2i + k and i + j?

A: The first vector, The second vector,

Q: Eij and k are the usual unit vectors in the x, y and z directions, find aixi c.

A: As we know that i, j and k are unit vectors along the x, y and z directions. These unit vectors are…

Q: Compute the dot product of the vectors v and w​, and find the angle between the vectors. v=−10i−j…

A: Given: v→=-10i^-j^w→=-i^-10j^ Required: The dot product between the vectors and the angle between…

Q: If you had two vectors a = 2z(hat) and b = x(hat) + 2y(hat) + 3z(hat). What would the addition of…

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Q: The components of two vectors are A = -2.0, Ay = -5.0, Az Find the angle between them: -4.6, B, 4.2,…

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Q: Use the definition of scalar product, a b = ab cos 0, and the fact that a = axbx + ayby + azbą to…

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Q: What is the direction of the vector r= -6.7i - 5.0j? where i and j represent the x-and y- unit…

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Q: Given A = 5.00i + 4.00j, B = 3.00j - 7.00k. Find the vector C = 2A - B %3D O + 4i – 10j – 7k O- 10j…

A: Given: A=5.00i+4.00j  B=3.00j-7.00k  To Find: C=2A-B

Q: Two vectors are given by A = 3i – 23 + 4k and Ảx B. B = 6j – 2k. Ignoring units, calculate

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Q: Vector A = 3 i + 3.8 j. Vector B = 5.1 i - 7.5 j. The dot product of the two is C = A ∙ B (i.e. A…

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