A ball crosses point p with speed 6 m/s and returns same point p with speed 8 m/s in 5 seconds. Assuming acceleration(a) is uniform, find the magnitude of a
A
85m/s2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
65m/s2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
55m/s2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
145m/s2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D145m/s2 a=vf−vit
where, vf is the final velocity,
and vi is the initial velocity. a=(−8)−(+6)5=−145m/s2