Physics, asked by vijay9356, 2 months ago

A worker does 300 J of work against a frictional retarding force of 15 N in

pushing a box across a floor in 3s. If the box moves with a constant

speed, how fast is it?

Answers

Answered by anmolkr135

2

Explanation:

Constant speed means net force zero.

Work = Force × Displacement.

Displacement = 300 ÷ 15

= 20m

so. Speed = 20 ÷ 3 = 6.67 m/s

Previous Question

Next Question

Similar questions

Math, 1 month ago

(D²+D+1 )y= x² find particular integral...

Hindi, 1 month ago

अपना जीवन मिटा कर दूसरों को जीवन कौन देता है?

Sociology, 1 month ago

and its advantages an detail the advantages and disadvantages of heating effect of an electric current electric shop and make a list of the heating and lighting devices available there LIFE SKILLS -- shortage of electricity in your home? Observe all the electrical applia e and look for the ISI mark of the Bureau of Indian Standards. efficient appliances, it means you save the electric energy. For...

Math, 2 months ago

Joana has to split 24 students in her class into different groups with equal number of students each. Not all students can be in one group and each group has to have more than one student. In how many ways can she form these group. a. What is asked?_______________ b. What are the given facts?_______ c. What is the plan?_____________ d. Solve?_____________________...

History, 2 months ago

Explain the role of multi-national companies in Glo नगरीय जीवन एवं आधुनिकता एक दूसरे से अभिन्न रूप से कैसे जुड़े हुये हैं ? T ore Urban life and Modernisation related to each other? C...

Math, 8 months ago

find the value of x if 80:60 =x:12 ...

Math, 8 months ago

How sin tta is related with cos tita...

CBSE BOARD X, 8 months ago

I am in class 10 I have hindi as an additional subject . If I got less marks in any subject and I have more marks in additional subject can hindi replace that subject...