Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337671729
Author: SERWAY
Publisher: Cengage
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Chapter 15, Problem 26P
To determine
The value of fabric length
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Chapter 15 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 15.1 - A block on the end of a spring is pulled to...Ch. 15.2 - Consider a graphical representation (Fig. 15.3) of...Ch. 15.2 - shows two curves representing particles undergoing...Ch. 15.2 - An object of mass m is hung from a spring and set...Ch. 15.4 - The ball in Figure 15.13 moves in a circle of...Ch. 15.5 - The grandfather clock in the opening storyline...Ch. 15 - A 0.60-kg block attached to a spring with force...Ch. 15 - A piston in a gasoline engine is in simple...Ch. 15 - The position of a particle is given by the...Ch. 15 - Prob. 4P
Ch. 15 - Review. A particle moves along the x axis. It is...Ch. 15 - Prob. 6PCh. 15 - A particle moving along the x axis in simple...Ch. 15 - The initial position, velocity, and acceleration...Ch. 15 - You attach an object to the bottom end of a...Ch. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - A simple harmonic oscillator of amplitude A has a...Ch. 15 - Review. A 65.0-kg bungee jumper steps off a bridge...Ch. 15 - Review. A 0.250-kg block resting on a...Ch. 15 - While driving behind a car traveling at 3.00 m/s,...Ch. 15 - A simple pendulum makes 120 complete oscillations...Ch. 15 - A particle of mass m slides without friction...Ch. 15 - A physical pendulum in the form of a planar object...Ch. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Consider the physical pendulum of Figure 15.16....Ch. 15 - A watch balance wheel (Fig. P15.25) has a period...Ch. 15 - Show that the time rate of change of mechanical...Ch. 15 - Show that Equation 15.32 is a solution of Equation...Ch. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Considering an undamped, forced oscillator (b =...Ch. 15 - Prob. 29PCh. 15 - Prob. 30PCh. 15 - An object of mass m moves in simple harmonic...Ch. 15 - Prob. 32APCh. 15 - An object attached to a spring vibrates with...Ch. 15 - Prob. 34APCh. 15 - A pendulum of length L and mass M has a spring of...Ch. 15 - Prob. 36APCh. 15 - Review. A particle of mass 4.00 kg is attached to...Ch. 15 - Prob. 38APCh. 15 - Prob. 39APCh. 15 - Prob. 40APCh. 15 - Review. A lobstermans buoy is a solid wooden...Ch. 15 - Prob. 42APCh. 15 - Prob. 43APCh. 15 - Prob. 44APCh. 15 - A block of mass m is connected to two springs of...Ch. 15 - Review. A light balloon filled with helium of...Ch. 15 - A particle with a mass of 0.500 kg is attached to...Ch. 15 - A smaller disk of radius r and mass m is attached...Ch. 15 - Prob. 49CPCh. 15 - Prob. 50CPCh. 15 - A light, cubical container of volume a3 is...
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- In Washington, a solar panel facing south angled at 15 degrees receives 0.5 (+/- 0.5) kWh/m^2/day in the winter. Solar panels are 20% efficient. Another 20% of power is lost due to heat. A house uses 45 kW per day in the winter. What is the minimum number of panels needed?arrow_forwardSuppose a battery operates a 2.25 W electric clock for 19.5 months. 1. What is the available energy content, in joules, of the battery? 2. How many years can a battery that supplies 7.75 × 104 J run a pocket calculator that consumes energy at the rate of 1.05 × 10-3 W?arrow_forward6.7 Use the differential equation approach to find i(t) for t> 0 in the circuit in Fig. P6.7 and plot the response including the time interval just prior to opening the switch. 60 12 V 30 1=0 Figure P6.7 ww 2 H (1) 12 02 ww 60arrow_forward
- Your roommate leaves a 120 W fan running in your apartment. Over the course of an hour, how much thermal energy does the fan add to the air?arrow_forwardWhy is the following situation impossible? A politician is decrying wasteful uses of energy and decides to focus on energy used to operate plug-in electric clocks in the United States. While many people use their smartphone as an alarm clock, he estimates that there are still 270 million plug-in alarm clocks in continuous use. The clocks transform energy taken in by electrical transmission at the average rate 2.50 W. The politician gives a speech in which he complains that, at today’s electrical rates, the nation is losing $100 million every year to operate these clocks.arrow_forwardLED bulbs are much more efficient at producing light than are traditional incandescent bulbs. They initially cost much more, but last far longer and use much less electricity An LED bulb that produces as much light as a 100 W incandescent bulb uses only 12.5 W of power. The LED bulb lasts 15,000 hours, on the average, and costs £8.00, whereas the cost of an incandescent bulb was only £0.75, but it lasted just 750 hourS. Assume that electricity costs £0 122 per kilowatt-hour and that the bulbs are on for 4.0 h per day. Part A What is the total cost (including the price of the bulbs) to run incandescent bulbs for 3.0 years? Express your answer in pounds. ΑΣΦ Submit Request Answer Part B What is the total cost (including the price of the bulbs) to run the LED bulbs for 3.0 years? Express your answer in pounds. ΑΣΦΦ Submit Request Answerarrow_forward
- I already tried 0.08*60*600 = 2880 W and it stated that it was incorrect. I'm not sure why.arrow_forwardAn 80 kg astronaut has gone outside his space capsule to do some repair work. Unfortunately, he forgot to lock his safety tether in place , and he has drifted 5.0 m away from the capsule . Fortunately, he has a 1000 W portable laser with fresh batteries that will operate it for 1.0 h. His only chance is to accelerate him self toward the space capsule by firing the laser in the opposite direction. He has a 10-h supply of oxygen. How long will it take him to reach safety ?arrow_forwardWhy is the answer not approx 0.58 kWh as P = (0.2)(120) = 24 W = 0.024 kW and if E = P*t then E = 0.024 kW * 24 h = 0.58 kWh? Is this not the correct answer? The solution above multiples 24 by 60? Why?arrow_forward
- Table (4.1) Rs = 100 Q Reading RL (Q) IL(mA) VL(V) PL(mW) 1 20 54 1 40 48 1.7 60 42 2.3 80 38 2.6 100 34 3 200 22 4.1 400 15 4.8 8 600 12 5.2 9. 800 10 5.4 4. Using the expression for PL power dissipated in the load resistance as a function of the load resistance RL, determine the condition for maximum power. (differentiate PL with respect to RL and set dPL/dRL=D0) 2345nO7o oarrow_forwardExplain the difference between UE(r) = kQq/r and VE = kQ/r (Eqs. 26.3 and 26.8). Which depends on both the source and the subject? Describe the source in each case. When do you use each equation? Can you use either equation if the source has linear symmetry? Explain.arrow_forwardYou place frozen soup (T = 17C) in a microwave oven for 3.5 min. The oven transfers 650 W to the soup. Model the soup as 0.35 kg of water (initially ice). What are the temperature and state of the soup when the oven stops?arrow_forward
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