Apendulum bob of mass m is attached to a light string of length l and is also attached to a spring of force constant k. with the pendulum in the position shown in the figure, the spring is at its unstressed length. if the bob is now pulled aside so that the string makes a small angle θ with the vertical and released, what is the speed of the bob as it passes through the equilibrium position? hint: recall the small-angle approximations: if θ is expressed in radians, ana i f θ< < 1, then sin θ ~tan θ θ and cos θ ~ 1-1/2θ2

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

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joke:

h o h o hope you have a merry christmas!

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.