a car acquires a velocity of 7.2km/hr in 10 seconds starting from rest find
(a) acceleration
(b) average velocity
(c) the distance
please guys answer my question
Answers
Answered by
1
Given
u=0m/s
v=7.2*5/18=2m/s
t=10s
a=?
Avg v=?
S=?
a)a=v-u/t
a=2-0/10
a=1/5m/s^2
b)Avg v=u+v/2
V=2+0/2
v=2/2
v=1m/s
c)s=ut+1/2at^2
s=0*10+1/5*10*10
s=20m
u=0m/s
v=7.2*5/18=2m/s
t=10s
a=?
Avg v=?
S=?
a)a=v-u/t
a=2-0/10
a=1/5m/s^2
b)Avg v=u+v/2
V=2+0/2
v=2/2
v=1m/s
c)s=ut+1/2at^2
s=0*10+1/5*10*10
s=20m
Answered by
1
Answer:
(a)---0.2ms-2
(b)---1ms-1
(c)---10m
Explanation:
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