Answer:
1. 3, 240 J
2. 3, 276 J
Explanation:
1. KE= ½ mv²
KE= ½ (3.2kg) (45m/s)²
= 3,240 J
2. PE= w x h
PE= 156 x 21
= 3,276 J
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Answers & Comments
Answer:
1. 3, 240 J
2. 3, 276 J
Explanation:
1. KE= ½ mv²
KE= ½ (3.2kg) (45m/s)²
= 3,240 J
2. PE= w x h
PE= 156 x 21
= 3,276 J