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.

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

What is the increase in density of a medium due to wave travel?

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew