The drag force acting on the rocket is 80N.
<h3>Give an explanation of drag force?</h3>
The divergence in velocity between the fluid and the item, also known as drag, exerts a force on it. Between the liquid and the solid object, there should be motion. Drag is absent in the absence of motion.
The air molecules are more compressed (pushed together) on the surfaces that are facing the front while being more dispersed (spread out) on the surfaces facing the back. Turbulent flow, which occurs when air layers split from the surface and start to swirl, is what causes this.
The drag force acting on the rocket F = ma
Given,
m = 4kg, a = 20ftm/s²
Substituting m and a values in the above formula,
The drag force acting on the rocket F = 4×20
The drag force acting on the rocket F = 80N.
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Answer:
A pure substance has only one substance while a mixture has two or more substances
Explanation:
Answer:
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When a proton is fired without any positive or negative forces within the grid the proton will pass straight through the grid without changing its path. A proton is a subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge, equal and opposite to that of the electron. If isolated a single proton would have a mass of 1.673 × 106-27 kg which is slightly less than that of a neutron.
1.It gives less load on the shaft.
2.It transmits more power than belts.
3.It may be used for both long as well as short distance.