A train is moving along a straight path with uniform acceleration

A train is moving along a straight path with uniform acceleration.It’s engine passes across a pole with a velocity of 60 kmh⁻¹ and the end (guard’s van) passes across same pole with a velocity of 80 kmh⁻¹.The middle point of the train will pass across same pole with a velocity

Options

(a) 70 kmh⁻¹
(b) 70.7 kmh⁻¹
(c) 65 kmh⁻¹
(d) 75 kmh⁻¹

Correct Answer:

70.7 kmh⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A astronomical telescope has objective and eye-piece of focal lengths
  2. Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
  3. A missile is fired for maximum range with an initial velocity of 20 m/s
  4. Consider the following two statements about Kirchhoff’s law
  5. Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,