100 ᴊ ᴏғ ʜᴇᴀᴛ ɪs ᴘʀᴏᴅᴜᴄᴇᴅ ᴇᴀᴄʜ sᴇᴄᴏɴᴅ ɪɴ ᴀ 4 ʀᴇsɪsᴛᴀɴᴄᴇ. ғɪɴᴅ ᴛʜᴇ ᴘᴏᴛᴇɴᴛɪᴀʟ ᴀᴄʀᴏss ᴛʜᴇ ʀᴇsɪsᴛᴏʀ??
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ʜᴇʏᴀ ᴍᴀᴛᴇ!!
ʜᴇʀᴇ ɪs ᴜʀ ᴀɴsᴡᴇʀ ⏬⏬
ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ,
ʜᴇᴀᴛ = ᴠ^2 × ᴛ / ʀ
100ᴊ = ᴠ^2 × 1sᴇᴄ. / 4ᴏʜᴍ
ᴠ^2 = 100ᴊ × 4ᴏʜᴍ / 1sᴇᴄ.
ᴠ^2 = 400
ᴠ = ✓400
ᴠ = 20ᴠ
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