How Does Throwing an Object Downward Affect Its Fall Time from a Tower?

In summary, a dropped object takes twice as much time to fall compared to an object thrown down at the same initial velocity. Using the equation d=v1*t+(1/2)*a*t^2 and the given acceleration of 10m/s^2, the height of the tower can be calculated to be 320m.
  • #1
caller
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Homework Statement



An object is dropped from a tower. if it had been thrown down at 60m/s, it would have taken half the time. What is the height of the tower? (Use gravity as 10m/s2)

Givens
Acceleration = 10m/s2
v1 = 0m/s (not sure)
v2 = 60m/s
time = t/2

Homework Equations



d=v1*t+(1/2)*a*t2

The Attempt at a Solution



I tried doing the questions, but i don't understand.

The correct answer is 320m, but i don't know how to get to it.

Any help is appreciated.

Thanks
 
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  • #2
Well, how much time does it take for an object at rest to fall and how much time does it take for an object thrown down to fall?
 

FAQ: How Does Throwing an Object Downward Affect Its Fall Time from a Tower?

1. What is kinematics?

Kinematics is the branch of physics that studies the motion of objects without considering the forces that cause the motion.

2. What is a tower in kinematics?

In kinematics, a tower can refer to any structure that has a significant height, such as a building, bridge, or tower itself. It is often used as an example in problems involving motion and acceleration.

3. How do you solve a kinematics problem on a tower?

To solve a kinematics problem on a tower, you will need to use equations of motion, such as the equations for displacement, velocity, and acceleration. You will also need to consider the initial and final conditions, such as the height and velocity of the object at different points.

4. What are the key variables in a kinematics problem on a tower?

The key variables in a kinematics problem on a tower are displacement, velocity, and acceleration. Other important variables may include time, initial and final positions, and initial and final velocities.

5. How do you use kinematics to analyze an object's motion on a tower?

To analyze an object's motion on a tower using kinematics, you will need to use equations and principles from kinematics, such as the equations of motion, to determine the object's displacement, velocity, and acceleration at different points in time. You may also need to consider external factors, such as air resistance, in your analysis.

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