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Q. How much heat would flow by the glass in 1.00 h if there is a temperature difference of 3^circ {rm C} between the inner and outer surfaces?
Q. A spring stretches 4.2-cm while a 7-g object is hung from it. The object is replaced with a block of mass 23 g that oscillates in simple harmonic motion. Compute the period of motion.
What is magnitude of the change in the magnetic field
A person eats a dessert that contains 230 kcal. The skin temperature of this individual is 36° C and that of her environment is 21° C. The emissivity of her skin is 0.85 and its surface area is 1.3 m2. How much time would it take for her to emit the ..
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
A hunter wishes to cross a river that is 1.4km wide and flows with a speed of 5km/h parallel to its banks.
A galvanometer whose full scale current is 150amps and coal resistance is 75ohms is used with a 1.50 ohms shunt resistor to make an ammeter. what is the largest current that can be measured by the ammeter.
A caterpillar climbs up a one-meter wall. For every 3 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top. Compute the speed at which the caterpillar travels.
Two automobiles, each of mass 900 kg, are moving at the same speed, 15 m/s, when they have an inelastic collision.(a) In what direction and at what velocity does the wreckage move if one car was driving north and one south? (b) In what direction a..
How many homes could be heated with the waste heat
Make a 10 to12 slide powerpoint presentation on behaviourism and social-learning theory. Include speaker notes and graphics, limit text to fie lines, and use approximately five words per bulleted item.
A 73.0 kg construction worker stands at the far end of the beam.What is the magnitude of the torque about the point where the beam is bolted into place .
They are 15.0 m above a fire-fighters safety net. When landing jumper stretches the net 1.0 m before coming to rest. A. what was the average acceleration experienced by the jumper when slowed to rest by the net? B. Is this acceleration positive or ne..
compute your apparent weight at the top of a Ferris wheel, given that the radius of the wheel is 7.1 , it completes one revolution every 30 , and your mass is 51 .
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