a 1 km steel railroad rail is fastened securely at both ends qhen the temperature is 20C. With increasing temperature the rail begins to buckle .

a 1 km steel railroad rail is fastened securely at both ends qhen the temperature is 20C. With increasing temperature the rail begins to buckle . Assuming the buckle ia triangular, how high is the buckle?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
FIRST15

Order Now