P is a point moving with constant speed 10 m/s such that its velocity vector always maintains an angle 60° with line OP as shown in figure (O is a fixed point in space). The initial distance between O and P is 100 m. After what time (in sec) shall P reach O.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION
(20)
Sol.
Velocity of approach of P and O is → 
= v cos 60° = 5 m/s
It can be seen that velocity of approach is always constant.
∴ P reaches O after = 
= 20 sec
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Two trains, each 50 m long are travelling in opposite direction with velocity 10 m/s and 15 m/s . T…
A 120 m long train is moving in a direction with speed 20 m/s . A train B moving with 30 m / s in t…
A 210 meter long train is moving due North at a of 25m/s. A small bird is flying due South a little…
A police jeep is chasing with, velocity of 45 km / h a thief in another jeep moving with velocity 1…
A boat is sent across a river with a velocity of 8 km/hr. If the resultant velocity of boat is 10 k…
A train of 150 meter length is going towards north direction at a speed of . A parrot flies at the…