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A car has an initial speed of 10 m/s. It then undergoes a constant acceleration of 0.05 m/s^2 over a distance of 5 km. Determine: a) The car final speed. b) The time needed to travel the 5 km.
In solid motors, HTPB and PBAN are two common types of plasticizers. a) True b) False
Adding moisture is the ONLY way to obtain saturated air from unsaturated air. a)-True b) False
Vitrification is a process of: a. Chemical reaction bonding of aggregate ceramic powder b. Cementing aggregate ceramic powder with a liquefied material c. Solid-state diffusion of aggregate ceramic powder
A 200 g projectile is fired with a velocity of 900 m/s toward the center of a 15 kg wooden block which rests on a rough surface. If the projectile penetrates and emerges from the back at a velocity of
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