Answer :
Answer: KE= 1000000 J
Explanation: The kinetic energy of the coaster can be calculated using the formula KE= 1/2 mv²
KE = 1/2 mv²
= 1/2 ( 20,000 kg) (10 m/s)²
= 1000000 J
Answer: KE= 1000000 J
Explanation: The kinetic energy of the coaster can be calculated using the formula KE= 1/2 mv²
KE = 1/2 mv²
= 1/2 ( 20,000 kg) (10 m/s)²
= 1000000 J