Answer:
5 cm
Explanation:
Remember that in the pulley system the rope moves the same distance in both ends of the pulley, what the pulley system does is creating a mechanical advantage which basically means that it takes less effort to pull than the actual effort it would take, so for example if you have to lift a box that is 800 N, with a pulley system and the mechanical advantage you'd have to pull with less force.
Answer:
Since energy can be measured as work, we can write energy = force x distance. Thus SI derived unit of energy has the units of newtons x meter or kg m2/s2.
Explanation:
20/45=0.4*100= 44.4 so the answer is..................................................
Answer: 44.4%
Answer:
a
Explanation:
water is only able to desolve two substances , salt , sugar,
