已知一个质点做变速直线运动的位移函数 s 3t 2 e2t , t为时 间,则在时刻t 2处的速度和加速度分别为
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Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
When you want to find out what the slope is, you have to remember what the formula is first....
so in this case -3 would be the because it's the y in the ordered pair and it's the second one. Then one of the 5's would be
and 9 would be
and then the other 5 would be
.
now if we plug it in
now we can tell that we can't divide by zero so the slope would be unidentified and that's it.
Answer:
hey
Step-by-step explanation:
formula used here
<h2>cos inverse (-theta)= π- cos inverse theta</h2>see the attachment above
option c
C, see explanation in the picture attached below.
