While riding on an elevator descending with a constant speed of 2.6 m/s , you accidentally drop a book from under your arm. Part A How long does it take for the book to reach the elevator floor, 1.0 m below your arm? Express your answer using two significant figures. t = s You have already submitted this answer. Enter a new answer. No credit lost. Try again. Previous AnswersRequest Answer Part B What is the book's speed relative to you when it hits the elevator floor? Express your answer using two significant figures.

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

the results is a decrease in air temperature with an increase of altitude.

explanation: