2. A shaft (30 mm )diameter is transmitting power at a maximum shear stress of (80 MPa). If a pulley is connected to the shaft by means of a key find the dimensions of the key so that the stress in the key is not to exceed( 50 MPa) and length of the key is (4) times the width. [Ans. 1 = 126 mm]

kindly answer it

Question 23 Given an initial velocity of o ft/s, what is the velocity at 5 seconds? -2 Time (s) -1 ft/s 1 ft/s -11 ft/s 11 ft/s Not enough information Acceleration (ft/s²)

Question 16 Here is a way we can estimate the distance from the earth to the moon. When the moon is seen at its zenith at a point A on the earth, it is observed to be at the horizon from point B. Points A and B are 6152 miles apart and the radius of the earth is 3960 miles. 20 Earth 0= B a) Calculate the angle in radians. (Round your answer to 5 decimal places.) d= ? v Moon Details b) Estimate the distance from point A to the moon using your angle from part a). (Round your answer to the nearest thousand.) ?

Oz Lawn Care Inc. manufactures and assembles lawnmowers that are shipped to dealers throughout the United States and Canada. Two different procedures have been proposed for mounting the engine on the frame of the lawnmower. PB (Minutes) UPB (Minutes )345798632 5 Is there a difference in the methods' mean time to mount the engines on the frames of the lawnmowers? The answer must be in handwriting. Please write your answer using a ball - point pen on plain paper. Submit your homework by uploading it to the canvas. Good Luck!