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DO NOT SKIP!! Let’s see who’s smart enough to work out both problems if u get it correct I’ll mark u as BRAINLIEST SHOW WORK PLEASE

DO NOT SKIP Lets see whos smart enough to work out both problems if u get it correct Ill mark u as BRAINLIEST SHOW WORK PLEASE class=

Respuesta :

Answer:

21) KE = 200 000 Joules 21.  

22) KE = 800 000 Joules

Step-by-step explanation:

21.   KE = 0.5*m*v2

KE = (0.5) * (1000 kg) * (20 m/s)2

The mass of the roller coaster is, m= 1000kg

the speed of the roller coaster is, v= 20ms^-1

22. KE = 0.5*m*v2

KE = 0.5*1000 kg*(40 m/s)2

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