Physics, asked by kasparpanmei5594, 10 months ago

A man pushes a block of 30 kg along a level floor at a constant speed with a force directed at 45 below the horizontal. If the coefficient of friction is 0.20, then work done by all forces exerted by the surface on the block in 20 m is n j. Find value of n

Answers

Answered by tewarianurag

6

ANSWER IS AS FOLLOWS

-1500J

please mark this as the brainliest

Previous Question

Next Question

Similar questions

Hindi, 5 months ago

निम्नलिखित पठित गद्यांश पढकर दी गई सूचनाओं के अनुसार कृतियाँ कीजिए: कुछ लोग तो औपचारिकता निभाने की हद कर देते हैं, विशेष कर वे रिश्तेदार जो दूसरे गाँवो से मिलने आते है। ऐसे में एक दिन एक टैक्सी कमरे के सामने आकर रूकी। उसमें से निकलकर एक आदमी आते ही मेरी छाती पर सिर रखकर आँधा पड़ रोने लगा और कहने लगा- "हाय, तुम्हें क्या हो गया? कारवालों का सत्यानाश हो!" मैंने दिल में कहा कि मुझे जो हुआ सो हुआ, पर...

Math, 5 months ago

Evaluate this expression 4÷1/3...

Math, 5 months ago

Then area is 352cm so what should each side of square...

Math, 10 months ago

A 20 metre deep well with diameter 7m is dug up and the earth from the digging is spread evenly to form a platform 22 m x 14 m. Determine the height of the platform.

Math, 10 months ago

A metallic right circular cone 20 cm high and whose vertical angle is 60 is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained be drawn into a wire of diameter 1 cm, 16 find the length of the wire.

Math, 1 year ago

CI F 120-130 2 130-140 8 140-150 12 150-160 F 160-170 8 170-180 7 FIND MISSING FREQUENCY IF MODE=154...

Math, 1 year ago

What are the merits and demerits of mean median and mode.

Math, 1 year ago

Which of the given numbers are arranged in increasing order? A.1/5 < 1/4 < 1/3 < ½ B.1/4 < 1/3 < 1/2 < 1/5 C.1/3 < 1/2 < 1/5 <1/4 D.1/2 < 1/3 < 1/4 < 1/5...