Discuss the improtence of personnel administration
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ᴘᴇʀsᴏɴɴᴇʟ ᴀᴅᴍɪɴɪsᴛʀᴀᴛɪᴏɴ ᴅᴇᴀʟs ᴡɪᴛʜ ʀᴇᴄʀᴜɪᴛᴍᴇɴᴛ,ᴘʟᴀᴄᴇᴍᴇɴᴛ,ᴛʀᴀɪɴɪɴɢ,ᴅɪsᴄɪᴘʟɪɴᴀʀʏ ᴍᴇᴀsᴜʀᴇs,ᴄᴜʀʙɪɴɢ ɴᴇᴘᴏᴛɪsᴍ ᴀɴᴅ ғᴀᴠᴏᴜʀɪᴛɪsᴍ,ᴍᴏɴᴇᴛᴀʀʏ ᴀɴᴅ ɴᴏɴ-ᴍᴏɴᴇᴛᴀʀʏ ɪɴᴄᴇɴᴛɪᴠᴇs ᴀɴᴅ ʀᴇᴛɪʀᴇᴍᴇɴᴛ ʙᴇɴᴇғɪᴛs ᴏғ ᴛʜᴇ ᴘᴇʀsᴏɴɴᴇʟ ᴡɪᴛʜɪɴ ᴀɴ ᴏʀɢᴀɴɪsᴀᴛɪᴏɴ ᴀs ᴡᴇʟʟ ᴀs ʜᴀɴᴅʟᴇ ᴛʜᴇ ɴᴀᴛᴜʀᴇ ᴏғ ᴘᴇʀsᴏɴɴᴇʟ ʀᴇʟᴀᴛɪᴏɴsʜɪᴘs ɪɴ ᴛʜᴇ ᴏʀɢᴀɴɪsᴀᴛɪᴏɴ
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11th
Physics
Work, Energy and Power
Power
A boy of mass 50 kg runs up...
Physics
A boy of mass 50 kg runs up to a stair case of 45 steps in 9 s. If the height of a 15 cm, find his power. (g=10m/s
2
)
Medium
Answer
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Given that,
Mass of boy, m=50kg
Potential energy at a height of 45 steps , P=mgh=50×10×45×0.15=3375J
Time taken to climb 45 steps , t=9secs
Power of boy =
t
P
=
9
3375
=375 W
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A crane P lifts a car up to a certain height in 1 min. Another crone Q lifts the same car upto the same height in 2 min. Then crane P consumes two times more fuel than crane Q.
Reason
Crane P supplies two times more power than .