Physics, asked by OpangPaboh, 6 months ago

17. Work done in lifting up a stone of mass 2 kg. to 4 metres is
(a) 78.4 joule (b) 79.6 joule (c) 8 joule
(d) 39.2 joule

Answers

Answered by chaharvikal

1

mass=2kg

g=9.8m/s^

displacement=4m

Answer:

work=force×displacement

Explanation:

w=f×d

w=(m×a)*d

w=2×9.8×4

w=78.4j

optionaa

Previous Question

Next Question

Similar questions

Psychology, 3 months ago

Difference between Buddha and bodhisattva???

Math, 3 months ago

please give me the correct answer...

English, 3 months ago

Write about the people who thought you the ethics till now.

Environmental Sciences, 6 months ago

ain. only rms revolution Experiment 2 To Prepare Saplings by Sowing the Seeds (Textbook Page 59: Lesson 12) Alm: To prepare saplings of different plants by sowing their seeds Materials : Seeds of different plants, soil or coco pit, cartben pots, bus or plastic containers for sowing the seeds, etc. arth. whille the at only once Pot with holes at bottom Method: (1) Buy different varieties of seeds...

Science, 6 months ago

3) There is a no alternative to Water for cleaning purposes.

Math, 10 months ago

Pls solve this question 3rd question The first answer will be marked brilliant..... pls answer ASAP!

Math, 10 months ago

The population of a town is increased from 133575 to 138918. The percent increase in population is : (Clerks Grade-1993)...

English, 10 months ago

I want letter on invite our friend on blood donation camp...