A baby of mass 500g is moving with 54 km/h comes to rest 6 sec. Then force acting on it.
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Answers
Step-by-step explanation:
Massofbaby(m)=500g=
1000
500
kg=0.5kg
↦Initialvelocity(u)=54km/h=54×518m/s=15m/s\sf \mapsto{Initial \: velocity(u)=54km/h=54 \times \frac{5}{18} m/s = 15m/s}↦Initialvelocity(u)=54km/h=54×
18
5
m/s=15m/s
↦Timetaken(t)=6sec\sf \mapsto{Time \: taken(t)=6sec}↦Timetaken(t)=6sec
Tofind:\large \bf{To \: find:}Tofind:
⇝Forceactingonbaby.\sf \leadsto{Force \: acting \: on \: baby. }⇝Forceactingonbaby.
Conceptused:\large \bf{Concept \: used:}Conceptused:
→Finalvelocity(v)ofbabyis0m/s.\sf \rightarrow{Final \: velocity(v) \: of \: baby \: is \: 0m/s.}→Finalvelocity(v)ofbabyis0m/s.
Formulaused:\large \bf{Formula \: used:}Formulaused:
Accelerationofbaby(a)=Finalvelocity−InitialvelocityTime=v−ut\boxed {\bf{Acceleration \: of \: baby(a) = \frac{Final \: velocity - Initial \: velocity}{Time} = \frac{v - u}{t} }}
Accelerationofbaby(a)=
Time
Finalvelocity−Initialvelocity
=
t
v−u
Force=Mass×Acceleration=ma\boxed {\bf{Force=Mass×Acceleration = ma}}
Force=Mass×Acceleration=ma
AccordingtoQuestion:\large \bf{According \: to \: Question:}AccordingtoQuestion:
⟹Accelerationofbaby(a)=Finalvelocity−InitialvelocityTime=v−ut\sf \implies{Acceleration \: of \: baby(a) = \frac{Final \: velocity - Initial \: velocity}{Time} = \frac{v - u}{t} }⟹Accelerationofbaby(a)=
Time
Finalvelocity−Initialvelocity
=
t
v−u
⟹Accelerationofbaby(a)=0−156=−156=−2.5m/s2\sf \implies{Acceleration \: of \: baby(a) = \frac{0- 15}{6} = \frac{- 15}{6} = - 2.5m/ {s}^{2} }⟹Accelerationofbaby(a)=
6
0−15
=
6
−15
=−2.5m/s
2
Then,\bf{Then,}Then,
⟹Force=Mass×Acceleration\sf \implies{Force=Mass×Acceleration}⟹Force=Mass×Acceleration
⟹Force=0.5×2.5=1.25N\sf \implies{Force=0.5×2.5=1.25N}⟹Force=0.5×2.5=1.25N
Hence,Forceactingonbabyis1.25newton.\bf{Hence, Force \: acting \: on \: baby \: is \: 1.25 \: newton.}Hence,Forceactingonbabyis1.25newton.
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Step-by-step explanation:
oho ik that u got that pics from chrome but the pics that i took the sea pics that where did u got?