Velocity & acceleration problem

In summary, velocity and acceleration are important concepts in physics that describe the motion of objects. Velocity is the rate of change of an object's position over time, while acceleration is the rate of change of an object's velocity over time. These concepts are often used to solve problems involving the motion of objects, such as calculating the distance traveled or the time taken to reach a certain speed. Understanding velocity and acceleration is essential in fields such as engineering, mechanics, and astronomy, as they play a crucial role in predicting and analyzing the behavior of moving objects.
  • #1
lethalhugs
New usert reminded to show their Attempt at the Solution in schoolwork threads -- askedd to re-post and try again

Homework Statement



You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the Empire State Building. Before the state legislature votes on funding for the project, they would like you to prepare a report on the benefits of upgrading the elevators. One of the numbers that they have requested is the time it will take the elevator to go from the ground floor to the 102nd floor observatory. They are unlikely to approve the project unless the new elevators make the trip much faster than the old elevators. If state law mandates that elevators cannot accelerate at greater than 4.80 m/s2 or travel faster than 13.3 m/s, what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor?

Homework Equations

The Attempt at a Solution


I have no idea for this question[/B]
 
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  • #2
the answer shows wrong when i enter it :(
 
  • #3
lethalhugs said:
the answer shows wrong when i enter it :(
The posts you are referring to have been deleted. We are not allowed to post solutions to your homework problems here.

It is also against the rules for you not to show any work in your homework posts. This thread is closed. Please re-post and fill out the full Homework Help Template, including your Attempt at the Solution.
 

Related to Velocity & acceleration problem

1. What is the difference between velocity and acceleration?

Velocity is a measure of how fast an object is moving and in what direction, while acceleration is a measure of how much an object's velocity is changing over time. In simpler terms, velocity tells us how fast an object is going and in which direction, while acceleration tells us how quickly the object is speeding up or slowing down.

2. How do you calculate velocity and acceleration?

Velocity can be calculated by dividing the change in an object's position by the change in time. Acceleration can be calculated by dividing the change in an object's velocity by the change in time. Both velocity and acceleration are measured in units of distance over time squared (such as meters per second squared).

3. What is the difference between average and instantaneous velocity?

Average velocity is the total displacement divided by the total time, while instantaneous velocity is the velocity at a specific moment in time. Average velocity gives us an overall understanding of an object's motion, while instantaneous velocity gives us a more precise understanding of an object's motion at a specific point in time.

4. How does acceleration affect an object's motion?

Acceleration can cause an object to speed up, slow down, or change direction. If an object is accelerating in the same direction as its velocity, it will speed up. If it is accelerating in the opposite direction, it will slow down. If the acceleration is perpendicular to its velocity, the object will change direction.

5. How does air resistance affect an object's acceleration?

Air resistance can have a significant effect on an object's acceleration, as it acts in the opposite direction of an object's motion. This means that as an object moves faster, the force of air resistance will increase, causing the object to slow down. This can be seen in real-life examples such as skydiving or the flight of a paper airplane.

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