Answer:
When you jump down, your kinetic is converted to potential energy of the stretched trampoline. The trampoline's potential energy is converted into kinetic energy, which is transferred to you, making you bounce up. At the top of your jump, all your kinetic energy has been converted into potential energy. Right before you hit the trampoline, all of your potential energy has been converted back into kinetic energy. As you jump up and down your kinetic energy increases and decrease.
Answer:
The tin fork and knife, the copper coin, and the steel fence pole.
Explanation:
Those are both what people would call soft metals so they are malleable to the extent of probably not needing heavy duty equipment. It depends on you description of malleable because the steel fence pole could be malleable with the correct equipment and not snap in half if bent slowly enough.
The definition of malleable: (of a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking.
But the glass table, marble sculpture and antique ceramic vase are nowhere near malleable because if you tried bending them they wouldn't bend but would shatter and break into pieces.
Answer:
Explanation:
For simple pendulum the formula is
![T=2\pi\sqrt{\frac{l}{g} }](https://tex.z-dn.net/?f=T%3D2%5Cpi%5Csqrt%7B%5Cfrac%7Bl%7D%7Bg%7D%20%7D)
Where T is time period , l is length and g is acceleration due to gravity .
![\frac{1}{n} =2\pi\sqrt{\frac{l}{g} }](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bn%7D%20%3D2%5Cpi%5Csqrt%7B%5Cfrac%7Bl%7D%7Bg%7D%20%7D)
n is frequency
Putting the values
![\frac{1}{.4} =2\pi\sqrt{\frac{l}{10} }](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B.4%7D%20%3D2%5Cpi%5Csqrt%7B%5Cfrac%7Bl%7D%7B10%7D%20%7D)
![\frac{l}{10} = .1584](https://tex.z-dn.net/?f=%5Cfrac%7Bl%7D%7B10%7D%20%3D%20.1584)
l = 1.584 m