Anne and Juan rolled four different objects down a ramp. They measured the distance each object rolled and
the time until each object came to a stop. They plotted each point and connected it with a line from origin of
the graph.
10
9
8
8
7
Distance (1)
ID
4
5
6
Time (s)
Which object had the greatest average speed?
object B
object A
object D
object
Answers: 2
Physics, 22.06.2019 06:30, bluevibe
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
Answers: 2
Physics, 22.06.2019 14:10, nikki4367
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Anne and Juan rolled four different objects down a ramp. They measured the distance each object roll...
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