1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Instantaneous acceleration
The displacem...
Question
The displacement is given by
x
=
2
t
2
+
t
+
5
in
m
, the acceleration at
t
=
5
s
will be
A
8
m/s
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12
m/s
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
15
m/s
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4
m/s
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
D
4
m/s
2
As we know that
a
=
d
2
x
d
t
2
Given,
x
=
2
t
2
+
t
+
5
⇒
d
x
d
t
=
4
t
+
1
⇒
d
2
x
d
t
2
=
4
⇒
a
=
(
d
2
x
d
t
2
)
t
=
5
s
=
4
m/s
2
Suggest Corrections
0
Similar questions
Q.
The displacement is given by
x
=
2
t
2
+
t
+
5
in
m
, the acceleration at
t
=
5
s
will be
Q.
The displacement is given by
x
=
2
t
2
+
t
+
5
in
m
, the acceleration at
t
=
5
s
will be
Q.
The displacement of a particle is given by
(
x
=
2
t
2
+
t
+
5
)
m. Find its acceleration at t = 2 s.
Q.
The displacement of a particle is described by
x
=
t
+
2
t
2
+
3
t
3
−
4
t
4
. The acceleration at t=3 sec is
Q.
The displacement
s
of a moving particle at time
t
is given by
s
=
5
+
20
t
−
2
t
2
. Find its acceleration when the velocity is zero.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Instantaneous acceleration
PHYSICS
Watch in App
Explore more
Instantaneous acceleration
Standard XII Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app