i. If the value of Vs: is 10 V in Figure, what is the value of VREF? ii. If Vin is 2 V peak sinusoidal signal and the supply voltage for Op-amp is - 5V, draw the output waveform of the comparator.

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?