Physics, 20.11.2019 02:31 dustinquiz255
Suppose an object moves along the y axis so that its location is yequalsf(x)equalsxsquaredplusx at time x (y is in meters, x is in seconds). find (a) the average velocity (the average rate of change of y with respect to x) for x changing from 2 to 5. (b) the average velocity for x changing from 2 to 2plush. (c) the instantaneous velocity at xequals2 second. (a) the average velocity is 8 m/sec. (b) the average velocity is (nothing )m/sec. (c) the instantaneous velocity is 5 m/sec.
Answers: 3
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 15:30
1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?
Answers: 1
Physics, 22.06.2019 15:40
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Suppose an object moves along the y axis so that its location is yequalsf(x)equalsxsquaredplusx at t...
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