...circle of radius 0.040 m, using a? Say you want to make a sling by swinging a mass M of 2.1 kg in a horizontal circle of radius 0.040 m, using a string of length 0.040 m. You wish the mass to have a kinetic energy of 14.0 Joules when released. How strong will the string need to be? (How much tension will there be in the string?)
i have no idea how to approach this question...any help would be appreciated
i have no idea how to approach this question...any help would be appreciated