You can make a smoothie in a blender with a power of 300 watts and an efficiency of 80 percent. how much energy is actually being used to make the smoothie in 180 seconds?

a. 10,800 j

b. 43,200 j

c. 52,060 j

d. 45,875

Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg