D 10
The transistor shown in the diagram above is
called ...
A NNP
B. NPN
C. NNP
D. PNP
Can you help me Grade 9 solution

The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge