Since astronauts in orbit are apparently weightless, a clever method of measuring their masses is needed to monitor their mass gains or losses to adjust diets. one way to do this is to exert a known force on an astronaut and measure the acceleration produced. suppose a net external force of 49.0 n is exerted and the astronaut's acceleration is measured to be 0.780 m/s2. calculate her mass in kilograms.

62.82 kg

Explanation:

Given

Net External force(F)=49 N

Astronaut acceleration (a) measured to be

According Newton's second law of motion we get

F=ma

m=62.82 kg

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic