Answer:
Some examples of the uses of a screw are in a jar lid, a drill, a bolt, a light bulb, faucets, bottle caps and ball point pens.
Explanation:
D kinetic energy✨
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Answer:
Precipitate
Explanation:
When a double displacement reaction occurs, the cations and anions switch partners, resulting in the formation of two new ionic compounds AD and CB, one of products is in the solid state and forms an insoluble ionic compound called a precipitate.
Answer: C both A and B
Explanation:
Transmission : This simply implies the difference in rotation speed between the input shaft and output shaft. Note that higher gear ratios are used to transfer more torque, of which lower ratios trade torque is in favor of speed. Technician A was right
The primary functions of the transmission includes transmitting of the engines crankshaft into a more usable rotational speed and to multiply the torque of the engine's output. Hence,
Technician B was also right.
Speed ignores the direction of motion and is a scalar quantity. Velocity requires a directional component (like the arrow in a vector). In circular motion, the speed remains the same but the velocity is constantly changing since the direction of motion is constantly changing (ie. it is accelerating).