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Two particles of mass m1= 2.3 kg and mass m2 = 4.0 kg that are free to move on a horizontal track are initially held at rest so that they compress a spring as shown in the figure below. The spring has a spring constant k = 395 N/m and is compressed 0.11 m. Find the final velocities of the two particles.
A 6.0 kg object undergoes an acceleration of 1.9 m/s2. Calculate the magnitude of the resultant force acting on the object
A 100 g granite cube slides down a 40* frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 200g steel cube at rest. How high above the table must the granite cube be released to give the steel cube a spee..
Three blocks, each of mass 14.0 kg are on a frictionless table. What is the net horizontal force on block A
A horizontal 802-N merry-go-round is a solid disk of radius 1.44 m, started from rest by a constant horizontal force of 50.3 N applied tangentially to the edge of the disk
Two sources have sound levels of 104dB and 62.3 dB. what is their combined intensity
A body is moving with velocity of 8m/s. After 5 Seconds the velocity of the body becomes 18m/s. Find the acceleration of the body
A steel ball is dropped onto a hard floor from a height of 1.25 m and rebounds to a height of 1.16 m. (Assume that the positive direction is upward.) Calculate its velocity just before it strikes the floor
The cyclist speeds up to a cadence of 120 (120 rotations per minute) in a surge lasting 30 seconds. What is the magnitude of angular acceleration of the wheel
an object fired at an angle of 36.5 degrees above the horizontal takes 1.58 s to travel the last 16.5 m of its vertical distance and the last 12.8 m of its horizontal distance
Two comets, each of mass 6500 kg and traveling 95 m/s in opposite directions, collide head-on and come to rest. How much energy is produced in this collision
A 1.60 cylindrical rod of diameter 0.550 is connected to a power supply that maintains a constant potential difference of 15.0 across its ends, Find the temperature coefficient of resistivity at 20 for the material of the rod
The near point of a naked eye is 25 cm. When placed at the near point and viewed by the naked eye, a tiny object would have an angular size of 5.2 10-5 rad. Find the focal length of the eyepiece in cm
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