A 660 W electric heater is designed to operate from a 120 V source. If the source voltage drops to 80.0 V, what will be the power dissipated by the same heater? (Assume the resistance of the heater is constant.) a. 440 W b. 660 W c. 293 W d. 73.3 W

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 9&10 please! Thank you!

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 01a. A 72 N force is applied to a 11 kg box on rough level ground. The coefficient of friction…

A: A free-body diagram for a body under the influence of external forces is the situation where this…

Q: 2. In order to cook this turkey, we will place it between two long straight parallel wires subject…

A: In this question we are given that In order to cook this turkey, we will place it between two long…

Q: A spherical mirror is to be used to form an image 4.00 times the size of an object on a screen…

A: Given:Spherical mirror is 4 times the size of objectLocation of screen from object = 6 mThe mirror…

Q: If the Moon pulls Earth as strongly as Earth pulls the Moon, why doesn't Earth rotate around the…

A:

Q: A cable exerts a constant upward tension of magnitude 1.94 x 104 N on a 1.60 x 103 kg elevator as it…

A:

Q: A string oscillates according to the equation y´ = (0.488 cm) sin[(1/3.0 cm-1)x] cos[(40.2 t s-1)t].…

A:

Q: Problem 10. A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that…

A: For a open orgon pipe antinodes are produced at both end. For a closed orgon pipe antinode produced…

Q: Problem #1) Determine the moment of forces about point 0. F3=75 lb X- 15⁰ 6'-0" Y F₂ = 50 lb 90° Y…

A: Forces F1 = 25 lb,  F2 = 50 lb, F3 =  75 lbdistance between origin and point O (d) = 6 ft

Q: As 3 4 2.

A:

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: Please do it correctly. I ll rate

A:

Q: Using the letters, match each prefix with the multiplier it represents. V V V V x 10-6 x 106 x 10-3…

A: The given prefix are associated with multiplier as per their definition.

Q: Lecture

A:

Q: QB.2 (i) A fully charged parallel-plate capacitor remains connected to a battery while you slide a…

A:

Q: A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute…

A: GIVEN: Sky diver and parachute system

Q: What is the specific mechanical energy, ɛ, of an orbit with a semi-major axis of 22,000 km? Show…

A: Given:- An orbit with the semi-major axis of  a = 2200 km  Find:- What is the specific mechanical…

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: Example with numbers N Spring with constant k = 100, mass M = 1kg. Initial conditions: displacement…

A:

Q: 4. Show that functions (a) x = A sin wt, (b) x = A sin wt + B cos wt, (c) x = A cos(@t + ¢)

A: The given equations are, a) x = A sin ωtb) x = A sin ωt + B cos ωtc) x = A cos ωt+ϕhere,ω = ksMA, B,…

Q: What would be the path of the Moon if somehow all gravitational forces on it vanished to zero?

A:

Q: Most people today know that the ocean tides are caused principally by the gravitational influence of…

A:

Q: wave paths to a distant screen are shown, leaving the slits at angle ₁. (The screen is so far away…

A: The wavelength of light is 624 nm.  (1) Every semi circle wavelet represents a wave front. Wave 1…