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An idealized voltmeter is connected across the terminals of a 15.5-V battery, and a 75.0 ohm appliance is also connected across its terminals. If the voltmeter reads 11.0 V.
a) How much power is being dissipated by the appliance?
b) What is the internal resistance of the battery?
A soccer player runs up behind a 0.450-kg soccer ball traveling at 3.20 m/s, What magnitude impulse did the soccer player deliver to the ball
questionyou are standing 0.75 m from your bathroom mirror in morning. how far away is your image from you? answer is
Consider the earth following its nearly circular orbit (dashed curve) about the sun. find the size of the gravitational force acting on the earth
What is the rms current in a series RC circuit if = 3.2 kOhm, C = 0.8 microfarads (uF) , and the rms applied voltage is 130V at 79Hz? What is the power dissipated by the circuit
An electric heater plugged into a 115-V AC outlet uses an average electric power of 1200 W. What are the rms current and the maximum instantaneous current through the heater
Infrared spectra are used by chemists to help identify an unknown substance. Atoms in a molecule that are bound together by a particular bond vibrate at a predictable frequency, determine the resonant frequency of this bond and the wavelength of li..
An ac generator with a frequency of 1.44kHz and an rms voltage of 24.2V is connected in series with a 2.10 kilo-ohm resistor, What is the average power consumed by this circuit
An uncharged capacitor and a resistor are connected in series to a source of EMF. If ? = 8.43 V, C = 22.6 ?F, and R = 117 ?, find the charge on the capacitor after one time constant
Raindrops fall 1400 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving when they struck the ground
A spring is hung from the ceiling. A 0.600-kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
If a bungee cord is stretched horizontally to a length of 2.2m , the tension in the cord is 2.3n. What is the tension in the 3.8-m-long cord
What was the temperature of the water before the insertion of the thermometer.
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