What is the speed of the ball the moment

Reference no: EM1358120

Q. A sphere of mass 2.8 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes an angle of 40° with the vertical when at rest.

What is the magnitude of the push from the breeze?

Q. A spring is used to launch a ball with a mass of 1.00x10^-2kg.The spring is compressed 10.00cm using an average force of 35.0N.For a launch,the ball is placed against the movable end of the spring and the compressed spring is release what is the work done in compressing the spring,what is the speed of the ball the moment it leaves the spring,suppose the ball is launched straight up into the air how high will the ball go?

Reference no: EM1358120

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