A455n gymnast jumps upward a distance of 1.5 meters to reach the uneven parallel bars. how much work did she do before she even began her routine

In the 1980's, congress authorized the u.s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

What are the applications of electromagnetic waves

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?