Editor Staff asked 1 year ago
A truck is moving with 40 m/s velocity, a train is moving with a velocity of 80 m/s. How fast is the rain moving with respect to the truck?
(a) 40 m/s faster
(b) -40 m/s faster
(c) 40 m/s slower
(d) 60 m/s slower
I got this question in examination.
My doubt stems from Motion in a Straight Line in portion Motion in a Straight Line of Physics – Class 11
Select the correct answer from above options
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Editor Staff answered 1 year ago
Right option is (a) 40 m/s faster
Easy explanation: Here we need to find the relative velocity of the train with respect to the truck is VR = VA-VB, VB = 40, VA = 80. On solving we get, VR = 40 m/s. Hence the train will move faster by 40 m/s.
