On an inclined plane of inclination 30∘, a ball is thrown at an angle of 60∘ with the horizontal, from the foot of the incline, with a velocity of 10√3ms−1. Then, the ball will hit the inclined plane in time: (take g=10ms−2)
A
1s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
2s
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
2√3s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4√3s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B2s
The time of flight on an inclined plane is T=2vsinθgcosα T=2×10√3×sin(60∘−30∘)gcos30∘ =2s