The momentum of a body of mass 5kg is 20 kg m/s. The kinetic energy of this body will
Answers
Answered by
0
Answer:
Initial velocity
(
u
)
=
20
5
=
4
m
/
s
Acceleration produced =
F
m
=
1
m
/
s
2
Final velocity
(
v
)
=
u
+
a
t
=
4
+
1
(
10
)
=
14
So, Change in K.E =
1
2
m
(
v
2
−
u
2
)
=
1
2
(
5
)
(
196
−
16
)
=
450
J
Therefore, D is correct option.
Answered by
2
ʜᴇʏ ᴍᴀᴛᴇ, ɪ ʜᴏᴘᴇ ᴛʜᴇ ᴀʙᴏᴠᴇ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ ωɪʟʟ ʜᴇʟᴘ ʏᴏᴜ ᴀ ʟᴏᴛ.
ɪғ ʏᴏᴜ ᴀʀᴇ sᴀᴛɪsғɪᴇᴅ ωɪᴛʜ ᴍʏ ᴀɴs ᴛʜᴇɴ ᴍᴀʀᴋ ᴍᴇ ʙʀᴀɪɴʟɪᴇsᴛ.
Attachments:
Similar questions