Review I ConstantsDuring launches, rockets often discard unneededparts. A certain rocket starts from rest on the launchpad and accelerates upward at a steady 3.05 m/sWhen it is 260m above the launch pad, itdiscards a used fuel canister by simplydisconnecting it. Once it is disconnected, the onlyforce acting on the canister is gravity (air resistancecan be ignored).Part AHow high is the rocket when the canister hits the launch pad,assuming that the rocket does not change its acceleration?ΑΣΦSubmitRequest AnswerCourse HomeE

Question
Asked Oct 22, 2019

Please help solve Part A only.

Review I Constants
During launches, rockets often discard unneeded
parts. A certain rocket starts from rest on the launch
pad and accelerates upward at a steady 3.05 m/s
When it is 260m above the launch pad, it
discards a used fuel canister by simply
disconnecting it. Once it is disconnected, the only
force acting on the canister is gravity (air resistance
can be ignored).
Part A
How high is the rocket when the canister hits the launch pad,
assuming that the rocket does not change its acceleration?
ΑΣΦ
Submit
Request Answer
Course Home
E
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Review I Constants During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.05 m/s When it is 260m above the launch pad, it discards a used fuel canister by simply disconnecting it. Once it is disconnected, the only force acting on the canister is gravity (air resistance can be ignored). Part A How high is the rocket when the canister hits the launch pad, assuming that the rocket does not change its acceleration? ΑΣΦ Submit Request Answer Course Home E

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check_circleExpert Solution
Step 1

Speed at 260 m is equal to,

2ax
y2(3.05m/s(260m)
=39.82m/s
II
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2ax y2(3.05m/s(260m) =39.82m/s II

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Step 2

Maximum height reached from the launch pad is,

H(260m)+
2g
(260m)+(39.82m/s)
2(9.8 m/s2
=341m
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H(260m)+ 2g (260m)+(39.82m/s) 2(9.8 m/s2 =341m

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Step 3

Time taken to reach max...

4 =
(39.82m/s)
(9.8 m/s
4.06s
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4 = (39.82m/s) (9.8 m/s 4.06s

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