The phrase terminal velocity can best be defined asa. the velocity of any falling object.
b. the velocity of objects with little mass.
c. the constant velocity of some falling objects.
d. the velocity of something falling from a train terminal.
Answers
Answer:
c. the constant velocity of some falling objects.
Explanation:
When a body is dropped (or thrown up) vertically and only the force of gravity acts on it, it is said that the body carries a free fall motion. Free fall is a special case of uniformly varied rectilinear motion.
Therefore, the MRUV formulas will be applied, with a modification: The acceleration of the bodies in free fall is the acceleration of gravity represented by the letter g and is, on Earth, approximately equal to 9'8 m / s2.
An object that falls, initially gains speed. When gaining speed, the resistance force of the air will increase, which is nothing more than the result of collisions with the air molecules suffered by any object that travels through a layer of air. The greater the number of molecules with which it collides, the greater the resistance. Consequently, the air resistance depends on the speed of the falling object and its surface (its shape).
The object will continue to accelerate until the air resistance force is large enough to compensate for the force of gravity. At that time the object will continue to fall but will do so with constant speed (terminal velocity).
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N/B
Kindly find attached the sketch and the free body diagram solution to the problem
Explanation:
This problem bothers on the moments of forces
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Answer:
Explanation:
As per work energy theorem we know that work done by all the forces must be equal to change in kinetic energy of the car
So here when brakes are applied then work is done by the brakes which is equal to change in kinetic energy of the car
so we know that work done by the brakes is given as
now we will have
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B. Sour liquid (pH of 5) = acidic
C. Solution with four times as many hydronium (H+) ions as hydroxide ions (OH-) = acidic
Soapy solution with a pH of 9 is basic because it has a pH greater than 7. The same goes for the sour liquid with a pH of 5, which has a pH lower than 7, making it acidic. The word sour also hints at it being acidic because of the definition of Bronsted acids. Finally, higher H+ ion concentrations make a solution more acidic.
Answers
Answer:
The force parallel to the horizontal is 26.24 N
Explanation:
She pulls on the leash with a force F = 30 N, this force, since its at an angle of 29° (i will cal this angle ), it has a force component on x (the horizontal, i will call this force
) and a force component on y (the vertical, i will call this
).
This can be seen in the attached picture.
Since we are asked about the force parallel to the horizontal, we need to find the component of the force , since
is the adjacent angle, we need to use cosine:
since and
The force parallel to the horizontal is 26.24 N
O electromagnetic, weak, strong, gravitational
O gravitational, weak, electromagnetic, strong
O weak, electromagnetic, gravitational, strong
Answers
Answer: C. gravitational, weak, electromagnetic, strong
Explanation:
Got it right!!
Answer:Helle dudes
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im the Batman
Answers
Answer: To keep it basic start with temprature and inhibitors such as drugs that slow enzymes
surface area, temperature, concentration, and the presence of catalysts and inhibitors
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Answer:
In driving, changes by fractions of a second in reaction time may mean the difference between a collision or the avoidance of one. On the road, distractions, speed, driving experience, and physical and cognitive fitness can seriously affect reaction times.
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