Physics, 17.10.2019 01:30, isamar7342
Acart is attached to a string and the other end of the string is attached to a weight that is free to fall. the cart is initially released from rest, and travels a distance of 0.521 m m before hitting a stopper. the cart's final speed was 0.931 m/s . the inertia of the weight is 0.115 kg , while the inertia of the cart is 1.000 kg . for the next 4 parts consider a system of the earth, the weight, the cart, the string, and the track. assume the track does not move relative to the earth.1- what is the final speed of the weight? 2- what is the change in kinetic energy of the system? 3- what is the change in potential energy of the system? 4- what is the change in thermal energy of the system due to friction?
Answers: 3
Physics, 22.06.2019 11:00, dragon2565
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 16:30, skiddymark3ox93za
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Physics, 22.06.2019 23:40, ella3714
Consider a u-tube whose arms are open to the atmosphere. now equal volumes of water and light oil (Ď = 49.3 lbm/ft3) are poured from different arms. a person blows from the oil side of the u-tube until the contact surface of the two fluids moves to the bottom of the u-tube, and therefore, the liquid levels in the two arms are the same. if the fluid height in each arm is 30 in, determine the gage pressure exerted by the person on the oil by blowing.
Answers: 3
Acart is attached to a string and the other end of the string is attached to a weight that is free t...
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