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a 300 watt toaster is plugged into a 120 volt house current.Electricity is sold at 15 cents per kilowatt hour. If the toasteroperates for 2.5 minutes what is the cost of its operation? Pleaseshow all formulas used.
A 0.50 microF and a 1.4 microF capacitor (C1 and C2, respectively) are connected in series to a 15-V battery, Calculate the potential difference across each capacitor
Object at rest, height in 180 feet Consider the following free fall classical motion and answer these questions based on the information. What is the classification of this motion and why
After the skier on the hill had been moving for 5.0 s, friction of the snow suddenly increasedmaking the net force on the skier zero. what is new coefficient of friction? how fast would the skier now be going after skiing for 5.0s.
A dielectric having dielectric constant ? = 3.2 is now inserted in between the plates of the capacitor as shown. What is the charge on the top plate of this capacitor
A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk at 2.0 m/s, what is the speed of the boat as she walks along
A uniform electric field exists in the region between two oppositely charged parallel plates 1.67cm apart, Find the speed of the proton at the moment it strikes the negatively charged plate
A piece of tin has a mass of 25g and a volume of 4.3cm^3 a)what is the mass of 1 cm^3 b) what is the volume of 1g of tin c) what is the density of the tin d) what is the mass of 34cm^3 of the same type of tin e) what is the volume of 130g of the s..
A certain light bulb has a tungsten filament with a resistance of 19 ohms when at 20 degrees celsius and 140 ohms when hot. Find the temperature of the hot filament
A horizontal block-spring system undergoes simple harmonic motion with amplitude A. Does the total energy change if the mass is doubled but amplitude is not changed? Briefly justify your answer
question1a mountain climber in procedure of crossing between two cliffs by a rope pauses to rest. she weighs 521 n. as
A woman stands at the center of a platform. The woman and the platform rotate with an angular speed of 5.20 rad/s. Friction is negligible. Find her new angular speed
A 95g ball of clay traveling at speed v0 hits and sticks to a 1.9kg kg block sitting at rest on a frictionless surface. What percentage of the ball's initial energy is "lost"
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