#. A motorboat starting from rest on a lake accelerates in a straight
line at a constant rate of 3.0 m s? for 8.0 s. How far does the
boat travel during this time?
Answers
Answered by
12
Answer:
speed=d/t
3=d/8
3*8=d
24=d
Answered by
1
Explanation:
➧ u ➾ 0 m/s
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec❱S ➾ ut + ½ at²
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec❱S ➾ ut + ½ at²S ➾ 0 × 8 + ½ × 3 × (8)²
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec❱S ➾ ut + ½ at²S ➾ 0 × 8 + ½ × 3 × (8)²S ➾ ½ × 3 × 64
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec❱S ➾ ut + ½ at²S ➾ 0 × 8 + ½ × 3 × (8)²S ➾ ½ × 3 × 64 ➾ 96 m ...✔
➧ u ➾ 0 m/s➧ a ➾ 30 m/s²➧ t ➾ 8 sec❱S ➾ ut + ½ at²S ➾ 0 × 8 + ½ × 3 × (8)²S ➾ ½ × 3 × 64 ➾ 96 m ...✔_________ Thanks...✊
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