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A string of linear density 1.60 g/m is stretched between clamps 48.0 cm apart. the string does not stretch appreciably as tension in it is steadily raised from 15.0 N at t = 0 to 25.0 N at t = 3.50 s. Therefore, the tension as a function of a time is given by expression T = 15.0 +10.0t/3.50, where T is in newtons and t is in seconds. The string is vibrating in its fundamental node throughout this process. Find the number of oscillations it completes during the 3.50-s interval.
A (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table
The starter motor of a car engine draws a current of 127 A from the battery. How much charge passes trough the starter motor
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50cm and the straight portion is located at a distance r from the center of the circular portion. Determine r (in cm) suc..
The stirrer is used to stir the mixture until it reaches its last equilibrium temperature of 32°C. Analyse the mass of the aluminum cup.
q1. a car takes 9 s to go from v 0 to v 55 ms at about constant acceleration. if you wish to find out the distance
q1. a 260 wooden raft floats on a lake. when an 80 man stands on the raft it sinks 5.0 deeper into the water. when he
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane. How high will Tarzan and Jane go on their first swing
A hypodermic needle consists of the plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of syringe are forced through a hollow needle.
The minute hand of a wall clock measures 14 cm from its tip to the axis about which it rotates. The magnitude and angle of the displacement vector of the tip are to be determined for three time intervals.
A cardinal (Richmondena cardinalis) of mass 4.00×10-2 and a baseball of mass 0.143 have the equal kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
air traffic controllers usually describe the position of an aircraft relative to the airport by altitude, What are the x, y, and z components (in meters) of hte position vector
Type your question hereA bullet (m = 0.0210 kg) is fired with a speed of 92.00 m/s and hits a block (M = 2.60 kg) supported by two light strings as shown, Find the height to which the block rises
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