Navigate

A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long

A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km along the shortest path in 15 min.The width of the river in kmh⁻¹ is

Options

(a) 1
(b) 3
(c) 4
(d) √41

Correct Answer:

3

Explanation:

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

admin:

Related Questions

  1. The acceleration due to gravity at a place is π² m/sec². Then the time period
  2. A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
  3. Vectors A⃗, B⃗ and C⃗ are such that A⃗ . B⃗ = 0 and A⃗ . C⃗ = 0 Then the vector parallel
  4. Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
  5. If the minimum energy of photons needed to produce photoelectrons is 3 eV,