Kelli weighs 435 n, and she is sitting on a playground swing that hangs 0.36 m above the ground. her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. assume that air resistance is negligible. a) how fast is kelli moving when the swing passes through its lowest position? b) if kelli moves through the lowest point at 2.0 m/s, how much work was done on the swing by friction?
Answers: 3
Physics, 22.06.2019 05:40, laurelbrasi
The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
Answers: 1
Physics, 22.06.2019 07:30, alejandro1102
The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
Answers: 1
Physics, 22.06.2019 10:30, alwaysneedhelp8420
If y gets smaller as x gets bigger and y have an relationship?
Answers: 1
Physics, 22.06.2019 15:30, salehabajwa101
What are the similarities & differences between a thermistor and a light dependent resistor in physics?
Answers: 1
Kelli weighs 435 n, and she is sitting on a playground swing that hangs 0.36 m above the ground. her...
Biology, 14.11.2019 02:31
Mathematics, 14.11.2019 02:31
History, 14.11.2019 02:31
Mathematics, 14.11.2019 02:31
History, 14.11.2019 02:31