Calculating Time and Angle of Impact in Free Fall Physics Problem

In summary, time in physics is a fundamental concept that measures the duration and intervals between events. It is measured using clocks and the unit of measurement is seconds. Time can be manipulated through the theory of relativity, where it can run slower for objects in high speeds or strong gravitational fields. Time and space are intertwined and are considered together as the fabric of the universe. The concept of time is crucial in understanding various areas of physics, including mechanics, thermodynamics, and quantum mechanics.
  • #1
laladude
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0

Homework Statement



http://i1120.photobucket.com/albums/l498/LaLadude/2.jpg

How long does it take to reach the ground? And what is the angle of impact with the ground?

Homework Equations





The Attempt at a Solution


Δy = Voy * t + (1/2)ay * t2
t = (-5 m/s) ± √(5 m/s)2 - 4(1/2)(-9.81 m/s2)(-100m) / 2(1/2)(-9.81 m/s2)

t = -5 m/s ± (4.54)

Is it suppose to be 4.54 or -4.54? And am I suppose to add or subtract the two variables to find t??
 
Last edited:
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  • #2
Post the entire question.
 
  • #3
sandy.bridge said:
Post the entire question.

I added a picture link if it'll help.
 

FAQ: Calculating Time and Angle of Impact in Free Fall Physics Problem

What is time in physics?

Time in physics is a fundamental concept that measures the duration of events and the intervals between them. It is a continuous, one-dimensional quantity that is often described as the fourth dimension in the universe.

How is time measured in physics?

In physics, time is measured using a clock or a stopwatch. The unit of measurement for time is seconds, and it is usually measured with high precision using atomic clocks.

Can time be manipulated in physics?

According to the theory of relativity, time can be manipulated by changing the speed or the gravitational field of an object. This is known as time dilation, where time runs slower for objects moving at high speeds or in strong gravitational fields.

What is the relationship between time and space in physics?

In physics, time and space are intertwined and are considered together as the fabric of the universe. The theory of relativity states that time and space are relative to the observer and can be affected by the speed and gravitational field of an object.

How does the concept of time impact other areas of physics?

The concept of time is crucial in many areas of physics, such as mechanics, thermodynamics, and quantum mechanics. It plays a significant role in understanding the behavior of objects, the flow of energy, and the behavior of particles on a microscopic level.

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