2. Zat aditif yang digunakan sebagai pengawet dan penyedap secara

berurutan adalah

a. asam askorbat dan sakarin

b. sakarin dan soda kue

c. gula bit dan kalsium monofosfat

d.

asam askorbat dan monosodium

glutamat

You have been called to testify as an expert witness in a trial involving a head-on collision. car a weighs 1515 lb and was traveling eastward. car b weighs 1125 lb and was traveling westward at 44.0 mph. the cars locked bumpers and slid eastward with their wheels locked for 22.5 ft before stopping. you have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750 . how fast (in miles per hour) was car a traveling just before the collision? (this problem uses english units because they would be used in a u.s. legal proceeding.)

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Explain why electric current cannot exist if a current doesn't have a voltage source.