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A spider hangs from a strand of silk whose radius is5.8x10-6 m.The density of the silk is 1100 kg/m3.When the spider moves, waves travel along the strand of silk at aspeed of 310 m/s. Determine the mass of the spider.
The membrane that surrounds a certain type of living cell has a surface area of 6.4 x 10-9 m2 and a thickness of 1.4 x 10-8 m. How much charge resides on the outer surface
A car traveling 93 is 170 behind a truck traveling 74. How long will it take the car to reach the truck
question1a hollow spherical shell has mass 8.15 kg and radius 0.220 m. it is firstly at rest and then rotates about a
a hair dryer operates at 1800 watts along with a 240 watt power resistor connected in series. Utilizing a 120 volt source, determine the individual resistance Ri and the voltage drop Vi across each compenent in the circuit
An electric power station is producing 1.60 × 103 W of power that is to be sent to a small town located 13 km away, Find the power lost in heating the wires
A centrifuge whose maximum rotation rate is 11,000 rev/min can be brought to rest in 3.00 s. What is the average angular acceleration of the centrifuge
A car is driven east for a distance of 49 km, then north for 23 km, and then in a direction 28° east of north for 28 km. FIND the magnitude (in km) of the car's total displacement from its starting point
A photon with a wavelength of 3.90×10?13 m strikes a deuteron, splitting it into a proton and a neutron. Calculate the kinetic energy released in this interaction
A certain laboratory experiment requires an aluminum wire of length of 36.0 m and a resistance of 2.30 ? at 20.0°C. What diameter wire must be used? (The resistivity of aluminum at 20.0°C is 2.82 10-8 ? · m.)
A goldfish lives in a 50-cm-diameter spherical fish bowl. The fish sees a cat watching it. how far from the edge does the fish see it as being
A point charge of 2.1 µC is at the center of a cubicalGaussian surface 69 cm on edge. What is the net electric fluxthrough the surface?
A rigid tank contains 1.30 moles of an ideal gas. Determine the number of moles of gas that should be withdrawn from the tank to lower the pressure of the gas from 24.5 atm to 4.40 atm. Assume volume of the tank and the temperature of the gas rema..
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