Aspherical balloon has a radius of 7.05 m and is filled with helium. part a how large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 940 kg ? neglect the buoyant force on the cargo volume itself. express your answer using two significant figures.

Three archers each fire four arrows at a target. joe’s four arrows hit at points 10 cm above, 10 cm below, 10 cm to the left, and 10 cm to the right of the center of the target. all four of moe’s arrows hit within 1 cm of a point 20 cm from the center, and flo’s four arrows hit within 1 cm of the center. the contest judge says that one of the archers is precise but not accurate, another archer is accurate but not precise, and the third archer is both accurate and precise. which description applies to which archer? explain

Need in all of themmm only answer if you know pls

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)