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A transverse harmonic wave travels on a rope according to the following expression: y(x,t) = 0.14sin(2.7x + 17.5t) The mass density of the rope is ? = 0.147 kg/m. x and y are measured in meters and t in seconds. What is the average speed of the rope during one complete oscillation of the rope?
A Wm = 890-N man sits on top of a stepladder of negligible mass that rests on a frictionless floor as shown in the figure below. Calculate the tension in the cross brace
If alpha particles are caused to fall through a potential difference of 1500 volts, determine their final speed if they were initially at rest. An alpha particle has mass 6.68*10^-27kg and charge of +2e. Alpha particles are Helium nuclei.
Write the Ampere's Law for a path that surrounds both conductors
A very long insulating cylindrical shell of radius 6.70cm carries charge of linear density 8.60 Nc spread uniformly over its outer surface. What would a voltmeter read
The track for a racing event was designed so that riders jump off the slope at 30 angle, from a height of 5 ft. Determine the maximum height he attains
An ideal spring has a spring constant k = 20 N/m. The spring is suspended vertically. What is the magnitude of the acceleration of the body when the extension of the spring is a maximum
A 7-turn coil encloses a square area measuring L = 0.31 m on each side, evaluate the magnitude of the torque on the coil
A 40 g block of ice is cooled to -78°C and is then added to 550 g of water in an 80 g copper calorimeter at a temperature of 24°C. find the final temperature of the system consisting of the ice
A 14.2-g piece of Styrofoam carries a net charge of -0.69 µC and is suspended in equilibrium above the center of a large, find the charge per unit area on the plastic sheet
After the collision, the 0.177 kg puck has a speed of 1.38 m/s at an angle of 27? to the positive x axis. Examine the velocity of the 0.302 kg puck after the collision.
Water is pumped into a storage tank from a well delivering 21.0 gallons of water in 27.0 seconds through a pipe of 1.00 in.2 cross-sectional area.
A negatively charged particle remains stationary in an downwardly directed E field between two parallel charged plates separated by 2cm. How many electrons does the charged particle contain
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