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A woman passes through a revolving door with a tangential speed of 1.6m/s if she Is 70 m from the center door, what is the door angular speed
A drill starts from rest. After 3.66s of constant angular acceleration, the drill turns at a rate of 2694 rad/a, find the angle through which the drill rotates
A machine part rotates at an angular speed of 0.56 rad/s; its speed is then increased to 3.46 rad/s using an angular acceleration of 0.44 rad/s2, Find the angle through which the part rotates
A copper plate, with dimensions of 3 cm x 3 cm x 5cm length, width, and thickness respectively, determine the temperature rise in the plate after 10 seconds
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
a 1.99 kg block slides on a rough, horizonatl surface. The block hits a spring with a speed 2.16 m/s, what is the force constant of the spring
A circular conducting loop with a radius of 0.30 m and a small gap filled with a 10.0 ohm resistor is oriented in the xy-plane. what is the magnitude of the current that will be caused to flow in the
A father racing his son has two-fifths the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the son
Two metal rods of equal length-one aluminum, the other stainless steel-are connected in parallel with a temperature of 16.0%u2218C at one end and 126%u2218C at the other end, by what factor does the
A comet has a very elliptical orbit with a period of 124.0 y. If the closest approach of the comet to the Sun is 0.09 AU, what is its greatest distance from the Sun
A flat slab of styrofoam, with a density of 32 kg/m3, floats on a lake. What minimum volume must the slab have
A 2.0 cm x 2.0 cm parallel-plate capacitor has a 3.0 mm spacing.The electric field strength inside the capacitor is 1.1 x105 V/m. How much charge is on each plate
Must show all work!!!! A Playground merry-go-rond has a radius of r=3.0m, calculate th angular velocity of the merry go round and child system when the child reaches the rim
An airplane is flying in a horizontal circle at a speed of 133.3 m/s. Banked for this turn, What is the radius of the circle in which the plane is flying
The RMS speed of oxygen molecules (O2) in this room is 535 m/s. What is the temperature of the air at this location
A large punch bowl holds 3.80kg of lemonade (which is essentially water) at 20.0?C. A 5.10×10?2-kg ice cube at -10.0?C is placed in the lemonade. What is the final temperature of the system
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
A 24kg chimpanzee hangs from the end of a horizontal, broken branch of length L0 = 1.4m , What is the shear modulus for this branch
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10×10^8Pa. by how much does its volume decrease
A cylindrical flask is fitted with an airtight piston that is free to slide up and down, A mass rests on top of the piston. determine the final temperature of the gas
Two metal rods of equal length-one aluminum, the other stainless steel-are connected in parallel with a temperature of 24.0?C at one end, by what factor does the rate of heat flow change
Light from a heliom-neon laser (wavelength 632.8 nm) diffracts when incident on a hair of thickness 0.040 mm. What is the angular width of the central diffraction maximum
Find the final velocity of the combined mass after an in elastic collision 500g at 4m/s toward 300g 2 m/s and the change of KE
Future space stations will create an artificial gravity by rotating. What rotation period will provide "normal" gravity
A 34.7 m long aluminum wire at a temperature of 24.3 oC has a radius of 0.295 mm. what is the resulting current in the wire