A target is 450m away and a device is capable of firing a projectile at 80 m/sec. What should the firing angle be set at to hit the target? Use g = -9.81 m/sec². (Answer in degrees with a precision of 0.00 - do not include units in your answer) *

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

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

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer