Need help badly, calculating the rate of falling objects

In summary, the formula for calculating the rate of falling objects is R = √(2gh), where R is the rate of fall, g is the acceleration due to gravity (9.8 m/s2), and h is the height from which the object is dropped. Air resistance can affect the rate of falling objects by slowing down their descent. Mass is the amount of matter that an object contains, while weight is the measure of the force of gravity acting on an object. The mass of an object does not change, but its weight can vary depending on the strength of the gravitational pull. To factor in the initial velocity of an object, you can use the formula V = gt, and use this value in the formula for rate of fall
  • #1
stumphead101
4
0

Homework Statement



A small mailbag is released from a helicopter that is descending steadily at 2.68 m/s.
(a) After 4.00 s, what is the speed of the mailbag?
v = ?


Homework Equations





The Attempt at a Solution

 
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  • #2
i think you can assume that the mail bag has an initial velocity identical to that of the helicopter.

Once it has been released in midair, it will start accelerating at 9.81 m/s^2 to earth, the calculation becomes trivial
 

Related to Need help badly, calculating the rate of falling objects

What is the formula for calculating the rate of falling objects?

The formula for calculating the rate of falling objects is: R = √(2gh), where R is the rate of fall, g is the acceleration due to gravity (9.8 m/s2), and h is the height from which the object is dropped.

How does air resistance affect the rate of falling objects?

Air resistance can affect the rate of falling objects by slowing down their descent. As an object falls, it experiences an upward force from air resistance, which increases as the object's speed increases. This counteracts the force of gravity and causes the object to reach a terminal velocity, where the upward and downward forces are equal and the object falls at a constant rate.

What is the difference between mass and weight in relation to falling objects?

Mass is the amount of matter that an object contains, while weight is the measure of the force of gravity acting on an object. The mass of an object does not change, but its weight can vary depending on the strength of the gravitational pull. In terms of falling objects, mass primarily affects how quickly an object will accelerate, while weight determines the force of impact when the object hits the ground.

How do you factor in the initial velocity of an object when calculating its rate of fall?

To factor in the initial velocity of an object, you can use the formula V = gt, where V is the initial velocity, g is the acceleration due to gravity, and t is the time elapsed. You can then use this value in the formula for rate of fall, R = (V + gt)/2.

What are some real-world applications of calculating the rate of falling objects?

Calculating the rate of falling objects is important in a variety of fields, such as engineering, physics, and sports. It can be used to design safer buildings and structures, understand the motion of projectiles, and improve the performance of athletes in sports such as skiing and skydiving.

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