Physics, asked by vimalaphd, 1 year ago

you did 150 joules of work lifting a 120 newton backpack
a) How high did you lift the backpack?
b)How much did the back pack weigh in pounds ? (Hint - 4.448 newtons)

Answers

Answered by dewanaaryan1
1
That is pretty simple..... see W=Fh ... here w= work done; F= force and h=height!
We know W ; F  so we can easily calculate height...150=120h ...h=1.25!
It weighs 26 pounds!
Previous Question
Next Question
Similar questions
Math, 7 months ago
The MRP of an article is ₹5,000.A dealer buys it at a discount of 20% . He sells it to a customer in the same city at a discount of 5%. Find (1) the total amount paid by the customer and (2) the net GST paid by the dealer to the government if GST is charged at 12%.
Math, 7 months ago
In figure, CD intersects the line AB at F, ∠CFB = 50° and ∠EFA = ∠AFD. Find the measure of ∠EFC. a. 50° b. 60° c. 70° d. 80°...
Math, 7 months ago
each case. If the sum of the first n terms of an AP is 4n-n², what is the first term (that is S.)? What is the sum of first two terms? What is the second term? Similarly, find the 3rd, the 10th and the nth terms.​
Math, 1 year ago
Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin?
Hindi, 1 year ago
Swachchta rastriy vikas ane arogya...
Environmental Sciences, 1 year ago
steps taken by people to conserve water...
Biology, 1 year ago
What happens if ESR is increased?
English, 1 year ago
write a review of a film or a tv programme or an episode of a tv serial in 250 words...