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On a part-time job, you are asked to bring a cylindrical iron rod of length 94.7cm and diameter 2.50cm from a storage room to a machinist.
(A) Calculate the weight of the rod.
(B) Will you need a cart?
A copper kettle contains water at 24.0 °C. When the water is heated to 99.0 °C, Determine the volume of the kettle
An artillery shell is red with an initial velocity of 328 m/s at 51.1 degrees above the horizontal. To clear an avalanche, it explodes on a mountainside 42.1 s after fi ring. What are the (a) x and (b) y coordinates of the shell where it explod..
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A light bulb marked "100 W [at] 120 V" is screwed into a socket at one end of a long extension cord in which each of the two conductors has resistance of 0.600 Ω
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 2100 V/m, Calculate the radius r of the path for a singly charged ion with mass m = 2.29 10-26 kg
A sinusoidal transverse wave traveling in the positive direction of an x axis has an amplitude of 1.0 cm, a wavelength of 22 cm, find the speed of the wave
q1. light from a he-ne laser lambda 632.8 nm strikes a pair of slits at normal incidence forming a double-slit
question1a 70-g disk sits on a horizontally rotating turntable. the turntable makes 4 revolutions each second. the disk
A plane is flying southeast at 200 km/h. Suddenly, it encounters wind heading 40 degrees north of east at 35 km/h. What is the planes new velocity
Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors
What are changes in the object's momentum and velocity. How much work is done if the similar tension is directed parallel to the snow.
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