Car starting from rest moves with uniform acceleration if 2m/s for 10s find the distance travelled by car
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Answered by
1
Explanation:
S=ut +1/2at^2
S=0+1/2*2*100
S=100 m
Answered by
39
❥︎ ɪɴɪᴛɪᴀʟ ᴠᴇʟᴏᴄɪᴛʏ =ᴜ = 0ᴍ/sᴇᴄ
❥︎ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ = ᴀ= 2ᴍ/sᴇᴄ²
❥︎ ᴛɪᴍᴇ = ᴛ = 10sᴇᴄ
❥︎ ᴅɪsᴛᴀɴᴄᴇ = s = ?
ʙʏ 2ɴᴅ ᴋɪɴᴇᴍᴀᴛɪᴄᴀʟ ᴇǫᴜᴀᴛɪᴏɴ...
s = ᴜᴛ + (1/2) ᴀᴛ²
s= 0 + (1/2) (2)(10)²
s = 100 ᴍᴇᴛʀᴇs (ᴅɪsᴛᴀɴᴄᴇ)
NOTE:-
- ᴛʜɪs ᴇǫᴜᴀᴛɪᴏɴ ɪs ᴏɴʟʏ ᴠᴀʟɪᴅ ᴡʜᴇɴ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ɪs ᴄᴏɴsᴛᴀɴᴛ.
- 1sᴛ ᴋɪɴᴇᴍᴀᴛɪᴄᴀʟ ᴇǫᴜᴀᴛɪᴏɴ ɪs [ᴠ=ᴜ+ᴀᴛ]
- 3ʀᴅ ᴋɪɴᴇᴍᴀᴛɪᴄᴀʟ ᴇǫᴜᴀᴛɪᴏɴ ɪs [ ᴠ²= ᴜ² + 2ᴀs]
hope it helps......
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