Question

❥

ᵗʷᵒ ᵇᵒᵈⁱᵉˢ ᵃ ᵃⁿᵈ ᵇ ʰᵃᵛᵉ ᵗʰᵉⁱʳ ᵐᵃˢˢᵉˢ ᵐ ᵃⁿᵈ 2ᵐ ʳᵉˢᵖᵉᶜᵗⁱᵛᵉˡʸ ᵃⁿᵈ ᵛᵉˡᵒᶜⁱᵗⁱᵉˢ ᵃˢ ᵗᵒ 2ᵛ ᵃⁿᵈ ᵛ ʳᵉˢᵖᵉᶜᵗⁱᵛᵉˡʸ. ᵃ) ʷʰⁱᶜʰ ᵒᶠ ᵗʰᵉ ᵗʷᵒ sᵗᵃᵗᵉ ʰᵃˢ ᵐᵒʳᵉ ⁱⁿᵉʳᵗⁱᵃ? sᵗᵃᵗᵉ ʷʰʸ?​

Answer 1

Answer:

both will have same inertia as, p=mv

so for body a, p=m*2v=2mv

for body b, p=2m*v=2mv

Answer 2

❥ ᴀɴsᴡᴇʀ:-

ɪɴᴇʀsᴛɪᴀ ɪs ᴀ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ᴍᴀss ʟᴀᴡ ᴏғ ɪɴᴇʀsᴛɪᴀ sᴛᴀᴛᴇ ᴛʜᴀᴛ ᴀ ʙᴏᴅʏ ᴀᴛ ʀᴇsᴛ ʀᴇᴍᴀɪɴs ɪɴ ʀᴇsᴛ ᴀɴᴅ ᴀ ʙᴏᴅʏ ɪɴ ᴍᴏᴛɪᴏɴ ʀᴇᴍᴀɪɴs ɪɴ ᴍᴏᴛɪᴏɴ ᴜɴᴛɪʟ ᴀɴ ᴇxᴛᴇʀɴᴀʟ ғᴏʀᴄᴇ ɪs ᴀᴘᴘʟɪᴇᴅ ɪғ ᴛʜᴇ ᴍᴀss ɪs ᴍᴏʀᴇ ᴛʜᴇ ʙᴏᴅʏ ᴡɪʟʟ ᴏᴘᴘᴏsᴇ ᴄʜᴀɴɢᴇ ᴍᴏʀᴇ ᴇғғᴇᴄᴛɪᴠᴇʟʏ ʜᴇɴᴄᴇ ᴛʜᴇ ʙᴏᴅʏ ᴏғ ᴍᴀss 2 ᴍ ʜᴀs ᴍᴏʀᴇ ɪɴᴇʀᴛɪᴀ ᴀs ᴄᴏᴍᴘᴀʀᴇᴅ ᴛᴏ ᴛʜᴇ ʙᴏᴅʏ ᴏғ ᴍᴀss ᴍ.

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