Chapter 20, Problem 054 Your answer is partially correct. Try again. A 61- loudspeaker, a 8.6-22...
A 78-Ω loudspeaker, a 6.4-Ω loudspeaker, and a 2.5-Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors.
Chapter 21, Problem 07 Your answer is partially correct. Try again. A magnetic field has a magnitude of 0.0013 T, and an electric field has a magnitude of 3.6 × 103 N/C. Both fields point in the same direction. A positive 2.6-4C charge moves at a speed of 4.2 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. B Ē 9 ✓ 90° X Number...
Chapter 27, Problem 024 Your answer is partially correct. Try again. In the figure Ri-R2-4.50 ? and R3-2.55 ?. Find the equivalent resistance between points D and E. (Hint: Imagine that a battery is connected across those points.) R2 Rg Number Un the tolerance is +/-296
Please answer all problems. Chapter 18, Problem 33 Your answer is partially correct. Try again. Four point charges have the same magnitude of 2.6 × 10-12 C and are fixed to the corners of a square that is 4.5 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the center of the square. Number 1159.99038616 Units T N/C the tolerance is +/-296 Open Show...
Chapter 26, Problem 067 Chalkboard Video Your answer is partially correct. Try again. Two converging lenses are separated by 29.00 cm. The focal length of each lens is 19.00 cm. An object is placed 39.00 cm to the left of the lens that is on the left. Determine the final image distance relative to the lens on the right. Object Lens 1 Lens 2 Number 93.63 units/cm 3) the tolerance is +/-2% Click if you would like to Show Work...
Chapter 18, Problem 017 Your answer is partially correct. Try again. An aluminum cup of 100 cm3 capacity is completely filled with glycerin at 15°C. How much glycerin will spill out of the cup if the temperature of both the cup and glycerin is increased to 44°C? (The linear expansion coefficient of aluminum is 23 x 106 1/C°. The coefficient of volume expansion of glycerin is 5.1 x 104 1/Co.) UnitscmA3 Number T.67 the tolerance is +/-9% Click if you...
Chapter 20, Problem 058 Your answer is partially correct. Try again. Two resistors have resistances R(smaller) and R(larger), where R(smaller) R(larger). when the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.86 A. When the resistors are connected in parallel to the battery, the total current from the battery is 10.8 A. Determine the tvo resistances. Units a R(smaller) 5.176 5.176 Units SHOW HINTSHOW SOLUTION LINK TO TEXT Question Attemptsi Unlimited SAVE FOR...
Chapter 20, Problem 062 Your answer is partially correct. Try again. A 75.0-Q resistor is connected in parallel with a 156.2 Ω resistor. This parallel group is connected in series with a 23.7-Ω resistor. The total combination is connected across a 17.4 V battery. Find and (b) the power dissipated in the 1562-Ω resistor. a) the cu rent Ri (a) Number T0.234 Unit A. uni (b) Numb LINK TO TEXT
Chapter 04, Problem 023 GO 09 Your answer is partially correct. Try again. 716 17 A raindrop has a mass of 7.4 x 107 kg and is falling near the surface of the earth. Calculate the magnitude of the gravitational force exerted (a) on the raindrop by the earth and (b) on the earth by the raindrop. x (a) Fraindrop = 1059099 (b) Fearth = 1059099 the tolerance is +/-2% Click if you wour HE W JIU work for this...
Chapter 22, Problem 004 Your answer is partially correct. Try again. Two particles are fixed to an x axis: particle 1 of charge2.53 107C is at the origin and panticde 2 of eharge +2.53 - 107 Cis at k -17.1 cm. Midway tet particles, what is the magnitude of the net electric field? Nu N/C or V/rn . the tolerance is +/-596 Click if you would like to Show Work for this question: Open Show Work A block with a...