a childrens park is in the form of triangle as shown in fig in the middle of the park there is a circular region for younger childrens to play it is fenced with 3 layers of wire the radius of the circular region is 3.5 m
Answers
Answer:
Step-by-step explanation:
Perimeter of a closed figure is the distance around it while area is ... Area of a circle of radius r is πr2. Fig. 9.5. (B) Solved Examples ... Area of school playground is 160 m × 80 m = 12800 m2 ... 3. 36 unit squares are joined to form a rectangle with the least ... A wire is bent to form a square of side 22 cm.
Answer:
In a children's park, there si a slide which has a total length of 10 and a height of 8.0 m figure. Vertical ladder are provided to reach the top. A boy weighting 200 N climbs up the ladder to the top of the slide and slides down to the ground. The averages friction offered by the slide is three tenth of his weight. Find a. the work done by the ladder on the boy as he goes up. b. the work done by the slide on the boy as he comes down. Neglect any work done by forces inside the body of the boy.