With spending 1j energy, how height you can rise a 1kg book from the surface of the table in the right direction ?
2006-06-24 06:52:20 · 6 answers · asked by m_hooryar82 2 in Science & Mathematics ➔ Physics
convert all energy in potential energy (U):
U = mgh
h = U/(mg) = 1 J / (1 kg * 9.8 m/s²) = 0.1 m
2006-06-24 06:56:33 · answer #1 · answered by Anonymous · 0⤊ 0⤋
1 metre
2006-06-24 13:55:52 · answer #2 · answered by ???shaant??? 3 · 0⤊ 0⤋
work done = force against gravity * height (say h)
w = mgh
h= w/mg
h = 1/1*9.8 = 0.102 m = 102 mm
2006-06-24 13:58:06 · answer #3 · answered by confused seeker... 2 · 0⤊ 0⤋
force in joules=mass in newtons*dist. in m
10 newtons=1 kg
1j=10N*? m
?=1/10
1/10 meter
2006-07-01 02:18:38 · answer #4 · answered by _anonymous_ 4 · 0⤊ 0⤋
RTFCM
Read
The
F***ing
Course
Materials!!!
2006-06-24 14:02:51 · answer #5 · answered by poorcocoboiboi 6 · 0⤊ 0⤋
What do you mean by the 'right' direction ??????????
2006-06-24 13:59:06 · answer #6 · answered by ag_iitkgp 7 · 0⤊ 0⤋