Question

A scooter moving at a speed of 16 m/s is stopped by applying brakes which produces an uniform retardation of 0.5 metre per second square . How much distance will be covered by the scooter before it stops?​

Answer 1

Aɴsᴡᴇʀ:

• The Distance Covered by the Scooter before it stops = 256 metres

Gɪᴠᴇɴ:

• A scooter moving at a speed of 16 m/s is stopped by applying brakes which produces an uniform retardation of 0.5 metre per second square.

Nᴇᴇᴅ Tᴏ Fɪɴᴅ:

• The distance covered by the scooter before it stops = ?

Solution:

Bʏ ᴜsɪɴɢ ᴛʜᴇ ᴛʜɪʀᴅ ᴇǫᴜᴀᴛɪᴏɴ ᴏғ ᴍᴏᴛɪᴏɴ ᴡᴇ ɢᴇᴛ:

• v² - u² = 2as

Pᴜᴛᴛɪɴɢ Tʜᴇ Vᴀʟᴜᴇs:

➦ 0² - 16² = 2 × (-0.5) × s

➦ -256 = (-1) × s

➦ -256 = -s

➦ s = 256 metres

Tʜᴇʀᴇғᴏʀᴇ:

• The Distance Covered by the Scooter before it stops is 256 metres.

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Answer 2

s = vt plus half at square.

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