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A uniform wire is bent into a shape shown in figure. Segments AB and ED are straight, having length 2R each, lying in a horizontal plane and the segment BCD is a semicircle of radius R. Find the distance of the COM of the wire from centre O of the circle.

What's More1. Arrange the types of waves from lowest to highest frequency.2. Arrange the EM waves from longest to shortest wavelength.

a. A soccer ball is kicked at 25 degrees from the horizontal with an initial velocity of 25 m/s. b. What is the x component of the ball's initial velocity? c. What is the y component of the ball's initial velocity? d. How long is the ball in the air? e. How high does the ball reach? f. Find the distance to where the ball landed.

2. The body takes in oxygen and gives off carbon dioxide. Directions: Write TRUE if the statement is correct. If the underlined word makes the statement wrong, change the underlined word to make the statement true.1. The exchange of gases happens in the nose: The body takes in Oxygen and gives off carbon dioxide.3. The opening of the larynx is the epiglottis: Trachea is also called the windpipe.5. The Larynx is a boxlike structure.Directions: Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper:1. What part of the nervous system is considered its central station? a. brain b. nerve c. spinal cord d. face 2. Which of the following is the function of the nerve? a. carry messages b. protect the brain c. carry blood d. protect the skull 3. What carries messages from the sense organs to the brain? a. spinal cord b. nerve cell c. cerebellum d. cerebrum 4. It performs many automatic functions such as temperature, wake cycles, digestion, vomiting, sneezing, coughing, and heart rate: a. cerebrum b. cerebellum c. brain stem d. spinal cord 5. What division of the nervous system are decisions made? a. peripheral nervous system b. nerve cell c. central nervous system d. spinal cord

SmarksMetallurgy parts.Material transport. c. With the aid of a sketch, construct the sintering of metal powder under solid state. b. Explain the powder metallurgy process. Complete your answer with a block diagram.Density distribution is an essential factor in determining the quality of powder samples.