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A glass window pane in a home is 0.62 cm thick and has dimensions of1.2 m 2.2 m. On a certain day, the outdoor temperature is 0°C and the indoor temperature is 22°C.
(a) Find the rate at which energy is transferred by heat through the glass?
W
(b) Obtain how much energy is lost during the window in one day, assuming the temperatures outside and inside remain constant?
J
A two-slit pattern is viewed on a screen 1.17 m from the slits. What is the width of the central bright fringe, if the third dark fringes on either side are 26.4 cm apart?
A person takes a trip, driving with a constant speed of 89.5km/h except for a 22.0-min rest stop. If the persons average speedis 77.8 km/h, evaluate how much time is spent on the trip
a moto-cross rider is airborn after a jump. Each wheel of his bike has a rotational intertia of .760 kg m2, What will his (bike and all) angular speed be after the wheel stops
A cyclist approaches the bottom of a gradual hill at a speedof 11 m/s. find the speed at which the cyclist crests the hill
The time-varying current in an LC circuit where C = 11.9 µF is given by i(t) = (1.25 A) sin (1310t), where t is in seconds. What is the total energy of the circuit?
two conductors having net charges of 16.0 microc and -16.0 microc have a potential difference of 16.0 v between them. a
An Electromagnetic Car Alarm, Your latest invention is a car alarm that produces sound at a particularly annoying frequency of 3500Hz. What value of inductance should you choose for your car alarm circuit
Given: G = 6.67259 × 10^?11 Nm2/kg2 Voyagers 1 and 2 surveyed the surface of Jupiter's moon Io, Estimate the speed with which the liquid sulfur left the volcano
A thick, vertical iron pipe has an inner diameter of 0.077 m. A thin aluminum (? = 23x10-6 (C°)-1) disk, What is the temperature of the aluminum disk when the disk falls into the pipe
The linear impulse delivered by the hit of a boxer is 248 N • s during the 0.373 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? React in units of N
A 26 block of aluminum sits on the bottom of a tank of water. How much force does the block exert on the bottom of the tank
A 3.5-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,063oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
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