If he intends to fly the craft at an altitude where the density of air is 1.00 kg/m3 , and the density of the helium inside is 0.178 kg/m3 , the volume of the disc-shaped craft is 40 m3 and has a mass of only 100 N, what is the maximum weight that the craft can carry

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object