Show the following units in scientific notation. e.g ) Five Kilometre (km) = 5 x 103 m 1) One Milliampere (mA) _______ x ______ (A) 2) Three Megajoules (MJ) _______ x ______ (J) 3) Six Microcoulombs (µC) _______ x _______ (C)

You are required to design a mobile robot vacuum cleaner for use within the warehouse, as shown in Figure 1. The robot has to interact with its environment, and to do so, you have to choose the proper sensor for each task of the following: .A Avoiding obstacles اختيار حواجز B. fail-safe (zero-distance) measurement. 3712915, C. Calculating and updating a robot's position. D. Measuring robot heading angle> راس الزاوية Discuss the working principle of each sensor chosen, using a schematic to illustrate your answer if necessary. Answ ناقش مبدا أ العمل لكل مهمة رسم للسفير اذا وجد A differenti vel OR to B. A direes 40° 180 4m cobaltravale in al ommand has a har 50mm. Determine the w m, in Figure 1. (assume the time requi الزمن لكل خطوة R1.76,117 D 3m 5m B E 2m F 3m 1mG A Figure 1. Route of a robot in the warehouse

Write out the following as full (decimal) numbers without prefixes on the unites. A. 76nm B. 205mg C. 62.1um D. 72gigavolts

27). 2 In the northeastern United States, in which direction does the needle of a magnetic compass point? OEast of geographic north O South of geographic north O North of geographic north West of geographic north 28) Inter-row spacing for a tilted rack array is determined by which factors? O Slope and voltage of modules O Sun angle and tilt of modules O Sun angle and voltage of modules O Rack manufacturer specifications 24) Which type of PV array mounting system is MOST common for a residential application with a sloped, south-facing roof? O Rack mount O Pole mount O Ballasted mount O Standoff mount 30) A specification requires the PV array for a stand-alone PV system to be sized to produce 1.25 times the average daily system load of 80 Ah when the irradiation recelved on the array is 4 peak sun hours. If the selected PV module has STC-rated maximum power current (Imp) of 5 A, how many parallel- connected strings of modules are required? 5 31 Which silicon solar cell manufacturing…