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Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. If a 689 mg drop of gasoline could be converted completely into thermal energy, how many miles could the car go with that energy?
A series ac circuit is shown. The inductor has a reactance of 80 Omega and an inductance of 200 mH. A 90- Omega resistor and a capacitor whose reactance is 130 Omega , are also in circuit. The rms current in the circuit is 1.3A. What is the phase ..
a radar pulse travels from the earth to the moon and back in 2.6 seconds. Calculate the distance from the earth to the moon
A car moves with an initial velocity of 5m/s and is subjected to a deceleration of 3m/s2 for 2 seconds. Calculate the distance the car traveled
Two 10-cm-diameter charged rings face each other, What is the electric field at the center of the left ring
Some birthmarks can be removed by exposure to 585 nm laser light. Pulses are strongly absorbed by hemoglobin in the capillaries in the birthmark, What is the power of the laser pulse
Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is 1/8 its amplitude
A microscope has a 12.0 x eyepiece and a 59.0 objective lens 20.0 cm apart. Calculate (a) the total magnification, (b) the focal length of each lens, and (c) where the object must be for a normal relaxed eye to see it in focus?
You hold a spherical salad bowl 90 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 35 cm radius of curvature. What is the image (your face's image) distance along the central axis fr..
A circular disc of mass 10 kg is suspended by a wire attached to its centre. Determine the torsional spring constant of the wire
The distance to the Andromeda Galaxy is estimated at about 2 ´ 106 light years. A light year is distance travelled by light in one year; if the speed of light is 3 ´ 108 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 ´ 107 s..
Determine the magnitude of the butterflys displacement.
A rectangular loop of wire is placed next to a straight wire, as shown in the (Figure 1) . There is a current ofI = 4.5A in both wires
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