Question

formula for calculating displacement (class 9)​

Answer 1

Answer:

d=v-2/t

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Answer 2

ᴅ=ᴠ-2/ᴛ

Qᴜᴇꜱᴛɪᴏɴ :ᴀ ɢɪʀʟ ᴡᴀʟᴋꜱ ꜰʀᴏᴍ ᴛʜᴇ ᴄᴏʀʀɪᴅᴏʀ ᴛᴏ ᴛʜᴇ ɢᴀᴛᴇ ꜱʜᴇ ᴍᴏᴠᴇꜱ 3 ᴍ ᴛᴏ ᴛʜᴇ ɴᴏʀᴛʜ ᴏᴘᴘᴏꜱɪᴛᴇ ᴛᴏ ʜᴇʀ ʜᴏᴜꜱᴇ ᴛʜᴇɴ ᴛᴀᴋᴇꜱ ᴀ ʟᴇꜰᴛ ᴛᴜʀɴ ᴀɴᴅ ᴡᴀʟᴋꜱ ꜰᴏʀ 5 ᴍ, ᴛʜᴇɴ ꜱʜᴇ ᴛᴀᴋᴇꜱ ʀɪɢʜᴛ ᴛᴜʀɴ ᴀɴᴅ ᴍᴏᴠᴇꜱ ꜰᴏʀ 6 ᴍ ᴀɴᴅ ʀᴇᴀᴄʜᴇꜱ ᴛʜᴇ ɢᴀᴛᴇ. ᴡʜᴀᴛ ɪꜱ ᴛʜᴇ ᴅɪꜱᴘʟᴀᴄᴇᴍᴇɴᴛ, ᴍᴀɢɴɪᴛᴜᴅᴇ, ᴀɴᴅ ᴅɪꜱᴛᴀɴᴄᴇ ᴄᴏᴠᴇʀᴇᴅ ʙʏ ʜᴇʀ?

ᴛᴏᴛᴀʟ ᴅɪꜱᴛᴀɴᴄᴇ ᴛʀᴀᴠᴇʟʟᴇᴅ ᴅ = 3 ᴍ + 5 ᴍ + 6 ᴍ = 14 ᴍ. ᴀ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴏꜰ ᴛʜᴇ ᴅɪꜱᴘʟᴀᴄᴇᴍᴇɴᴛ ᴄᴀɴ ʙᴇ ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ᴠɪꜱᴜᴀʟɪᴢɪɴɢ ᴛʜᴇ ᴡᴀʟᴋɪɴɢ.

ᴛʜᴇ ᴀᴄᴛᴜᴀʟ ᴘᴀᴛʜ ꜰʀᴏᴍ ᴀ ᴛᴏ ʙ ᴀꜱ 3 ᴍ ᴛʜᴇɴ ꜰʀᴏᴍ ʙ ᴛᴏ ᴅ ᴀꜱ 5 ᴍ ᴀɴᴅ ꜰɪɴᴀʟʟʏ ꜰʀᴏᴍ ᴅ ᴛᴏ ᴇ ᴀꜱ 6 ᴍ. |ꜱ| =√92+52 = 10.29 ᴍ.