wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

V = 8 -9t if t<1

V = 8 - 2t if t > 2

Find the value of V (m/s) when t = 3.


A

10 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

2 m/s

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

3 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

4 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

2 m/s


V = 8 -9t if t<1 ...(i)

v= 8 - 2t if t > 2 ... (ii)

Given t = 3

since t > 2, we consider equation (ii)

V = 8 - 2t

= 8 - 2(3)

= 8 - 6

= 2

Therefore, V = 2 m/s


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon