Didifference between uniform and variable velocity
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Uniform velocity is scalar , while variable velocity is vector

Explanation: Uniform velocity and variable velocity is that a body moving with uniform velocity has zero acceleration, while a body that is moving with variable velocity has some acceleration. Uniform velocity is the vector quantity while non-uniform or variable velocity is a scalar quantity

ᴜɴɪꜰᴏʀᴍ ᴠᴇʟᴏᴄɪᴛy ᴅᴏᴇꜱ'ɴᴛ ᴄʜᴀɴɢᴇ ᴡɪᴛʜ ᴛɪᴍᴇ , ᴡʜɪʟᴇ ᴠᴀʀɪᴀʙʟᴇ ᴠᴇʟᴏᴄɪᴛy ᴄʜᴀɴɢᴇꜱ ᴡɪᴛʜ ʀᴇꜱᴩᴇᴄᴛ ᴛᴏ ᴛɪᴍᴇ . ᴠᴇʟᴏᴄɪᴛy ɪꜱ ᴅᴇꜰɪɴᴇᴅ ᴀꜱ ᴛʜᴇ ᴄʜᴀɴɢᴇ ɪɴ ᴩᴏꜱɪᴛɪᴏɴ ᴏꜰ ᴀ ʙᴏᴅy ɪɴ ᴏɴᴇ ᴜɴɪᴛ ᴏꜰ ᴛɪᴍᴇ ᴏʀ ᴛʜᴇ ᴅɪꜱᴩʟᴀᴄᴇᴍᴇɴᴛ ᴏꜰ ᴛʜᴇ ʙᴏᴅy ɪɴ ᴏɴᴇ ᴜɴɪᴛ ᴏꜰ ᴛɪᴍᴇ .

ꜱɪɴᴄᴇ ᴠᴇʟᴏᴄɪᴛy ᴄʜᴀɴɢᴇꜱ ɪᴛꜱ ᴩᴏꜱɪᴛɪᴏɴ ɪɴ ᴏɴᴇ ᴜɴɪᴛ ᴏꜰ ᴛɪᴍᴇ , ɪᴛ ʜᴀꜱ ᴀ ꜱᴩᴇᴄɪꜰɪᴄ ᴅɪʀᴇᴄᴛɪᴏɴ.

ʜᴏᴩᴇ ɪᴛ ʜᴇʟᴩꜱ yᴏᴜ !!

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle