Arocket blasts off from rest and attains a speed of 49 m/s in 14 s. an astronaut has a mass of 54.8 kg. what is the astronaut's apparent weight during take off?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.