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A 150g plasticine ball is thrown horizontally at 5m/s into a 1kg block that is initially at rest on a horizontal surface without friction. Get the speed of the system if the plasticine sticks to the block.
A bike wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal floor with a transitional speed of 1.5 m/s. Find how far up the ramp will it go before stopping
In designing a machine part, you need a spring that is 8.75cm long when no forces act on it and that will store 24.0J of energy when it is compressed by 1.40cm from its equilibrium position. What should be the force constant of this spring
A hang glider and its pilot have a total mass equal to 113 kg. While executing a 360° turn, the glider moves in a circle with a 9 m radius. What is the net force on the hang glider
An object is placed 30 cm to the left of a converging lens of focal length 15 cm, and a diverging lens of focal length 20 cm is placed 45 cm to the right of the first lens. How far from the original object is the final image? What is the magnifica..
A weather vane initially at rest has a moment of inertia of 0.125 kg · m2 about its axis of rotation. A 63.5 g piece of clay is thrown at the vane and sticks to it at a point 15.5 cm from the axis.
Elizabeth is nearsighted. Without glasses, she can see objects clearly when they are between 15.0 cm and 90.0 cm away from her eyes. how close to her eye can an object be before it appears out of focus
Air enclosed in a cylinder has density p = 1.4kg/m^3, What will be the density of the air if the length of the cylinder is doubled while the radius is unchanged
The position of a 50 g oscillating mass is given by x(t) = (2.0 cm) cos(5t), where t is in seconds. Determine the following. (a) The amplitude. (b) The period. (c) The spring constant. (d) The maximum speed
A uniform electric field of magnitude 415 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
In a spherical metal shell of radius R, an electron is shot from the center directly toward a tiny hole in the shell, What is the magnitude of the electron's acceleration
What is the force that a jet pilot feels against his seat as he completes a vertical loop that is 489 m in radius at a speed of 217 m/s? Assume his mass is 70 kg and that he is located at the bottom of the loop.
The force among two charges are given by F=Kq1q2/rsq where k=9.0x109 nm2/c3. Using coulombs law what is the force among a pair of like charged particles if 1 particle is 2.0 coulombs and the second is 2.0 coulombs and they are 1m apart? Enter in bil..
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