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A sphere of radius 1.0 cm is dropped into a glass cylinder filledwith a viscous liquid. The mass of the sphere is 12.0 g and thedensity of the liquid is 1200 kg/m3. The sphere reaches a terminalspeed of 0.15 m/s. What is the viscosity of the liquid?
A reversible engine takes in 555 joules per second and exhausts 482 watts. how much power does it produce
what is the entropy change of the gas, heated in a steady-flow process at approximately atmospheric pressure,
An automobile engine with an efficiency 0.23 dumps heat to the environment at the rate of 450 kW. Part A What's its mechanical power output in W? Part B What's its mechanical power output in hp?
A uniformly charged sphere has a potential of 490 V on it's surface. At a radial distance of .24m from this surface the potential is 120 V. What is the radius of the sphere
The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. Assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has..
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.740 m/s2, What is the coefficient of kinetic friction between block 2 and the table
Gas is contained in a 9.00-L vessel at a temperature of 25.0°C and a pressure of 5.00 atm. Determine the number of moles of gas in the vessel
When a voltage of 12.0 V is applied across the two ends of a cylindrical wire of length l, radius r and resistivity ?, an electric current of 1.0 A is measured. Then the same voltage is applied to a second wire with length of 2l, radius of 5r and res..
A spring-loaded pellet gun is designed to fire 3.50 g projectiles horizontally at a speed of 39.1 m/s. What maximum force is required to load the gun
When two resistors are connected in parallel across a battery of unknown voltage, What current will be supplied by the same battery
A beetle 4.80mm is examined with magnifier of focal length 10.3 cm. what is the apparent length of the beetle
A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20g bullets at 960m/s. Find the recoil velocity of the hunter if he fires the rifle horizontally
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