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A 1.20kg mass is placed on an inclined plane and released with an an initial speed of 3.00m/s. The block travels down the inclined plane, on to a horizontal surface and then collides with a spring (k=80.0N/m), which compresses and brings the block to a stop.
Neglecting friction, calculate the expected speed of the block when it reaches the base of the inclined plane.
Neglecting any friction along the surface and in the spring, calculate the expected compression distance of the spring at the moment when it brings the block to a complete stop.
A uniform disk is constrained to rotate about an axis passing through its center and perpendicular to the plane of the disk. find the average angular acceleration that the disk experiences
discuss the function of a washing machinedryer in terms of circular motions centripetal force and pseudo centrifugal
a 35 horizontal metal bar 14 long is free to slide up and down between two tall vertical metal rods that are 14 apart.
A sparrow's maximum air speed (speed relative to the air around it) is 20 m/sec. She wants to fly to her nest which is due north, but there is 10 m/sec wind blowing from west to east. What direction should she fly?
A typical power transmission line carries a current of 1000 A about 30.0 meters above the ground. The magnetic field generated at ground level by the current is a matter of concern to those who live nearby.
A tennis player hit a ball 2.0 m above the ground. The ballleaves his racquet with a speed of 20m/s and an angle of 5.0 degrees above the horizontal. The horizontal distance to the net is 7.0m and the net is 1.0 m high.
a pair of parallel plates are charged with uniform charge densities of -36 pcm2 and 36 pcm2. the distance between the
find the magnitude and direction of the field at this point.
A 50.0kg stunt pilot who has been diving her airplane vertically pulls out of the dive by changing her course to a circle in a vertical plane. What is the apparent weight of the pilot at the lowest point of the pullout?
What is the distance delta y between the two points that you observe? suppose that the plates have length d , and use e and m for the charge and the mass of the electrons, respectively.
how long one electron to travel the full length of the cable.
A bug crawls outward from the center of a compact disc spinning at 160 revolutions per minute. The coefficient of static friction between bug's sticky feet and disc surface is 1.10.How far does the bug get from the center before slipping.
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