a roller coaster train with a mass of 500 kg stops at the top of a hill. if the hill is 110 m high, what is…

a roller coaster train with a mass of 500 kg stops at the top of a hill. if the hill is 110 m high, what is the potential energy of the train?\n4,900 j\n5,612 j\n55,000 j\n539,000 j

a roller coaster train with a mass of 500 kg stops at the top of a hill. if the hill is 110 m high, what is the potential energy of the train?\n4,900 j\n5,612 j\n55,000 j\n539,000 j

Answer

Explanation:

Step1: Identify the formula

The formula for gravitational - potential energy is $U = mgh$, where $m$ is the mass, $g$ is the acceleration due to gravity ($g = 9.8\ m/s^{2}$), and $h$ is the height.

Step2: Substitute the values

Given $m = 500\ kg$, $g = 9.8\ m/s^{2}$, and $h = 110\ m$. Substitute these values into the formula: $U=500\times9.8\times110$.

Step3: Calculate the result

$U = 500\times9.8\times110=500\times1078 = 539000\ J$.

Answer:

D. 539,000 J