Question

A train 360 m long running at the speed of 45km/hr . it crosses a bridge. in 40 secs . find the length of the bridge.​

Answer 1

Answer:

Step-by-step explanation:

p(x) = 5x2 – 3x2 + 2

p(x) = 2x2 + 2

p(-4) = 2(-4)² + 2

p(-4) = 34

2.

p(5) = 2(5)² + 2

p(5) = 52

p(-5) = 2(-5)² +2

Answer 2

Answer:

bridge is 140 m long

Step-by-step explanation:

bridge is 140 m long

hope it helps