fifth grade: subway unit
if a 5th grader ride the train themself the might get lost or they cannot find the way home.
physics help
1. A roller coaster car starts from rest and rolls down a frictionless track, reaching speed fv at the bottom. a. If you want the car to go two times as fast at the bottom, by what factor must you increase the height of the track? b. Does your answer to part (a) depend on whet...
5th Grade student teacher: Needs ur help....
youtube it type in schoolhouse rock the preamble
5th Grade student teacher: Needs ur help....
let them watch that one cartoon video where they sing.. make them sing it i remember doing this in 5th grade
1 more phyiscs for today
thank you tahnk you. it makes sense now
1 more phyiscs for today
sorry for asking for help agen. a baseball catcher puts on an exhibition by catching a .150kg ball dropped from a helicopter at a height of 100m above the catcher. if the catcher "gives with the ball for a distance of .75m while catching it, what average force is exerted ...
eng
the hackneyed images of his poetry entertained a few people.
phsyics
thank you so much. i was struggling through this problem for so long. but now everything makes perfect sense! =D
phsyics
an 8g bullet is shot into a 4kg block at rest on a frictionless horizontal surface. the bullet remains lodged in the block. the block movies into a spring and compresses it by 3cm. the force constant of the spring is 1500N/m. the initial speed of the bullet is closest to?
physics kinetic energy
a) if a particle's speed decreases by a factor of four, by what factor does its kinetic energy change? b) particle A has three times the mass and twice the kinetic energy of particle B. What is the speed ratio VA / VB?
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