An object is dropped from rest at a height of 300 m. a. Find the velocity after 2 seconds. b. Find the time it takes for the object to reach the ground. c. With what velocity does it hit the ground?
An object is dropped from rest at a height of 300 m. a. Find the velocity after 2 seconds. b. Find the time it takes for the object to reach the ground. c. With what velocity does it hit the ground?
Related questions
Question
- a.) Draw the distance vs. time graph. Find the slope.
b.) Describe the graph line. What does it imply? - a.) Draw the speed vs. time graph. Find the slope. Describe the graph line. What does it imply?
b.) Find the slope of the graph and compare it with the calculated acceleration. - Describe the motion of a freely falling body based on the results obtained.
- If, by some suitable mechanism, the falling body had been given an initial downward push instead of being just released, would the resulting value of `g’ have been different? Explain.
Problems:
- An object is dropped from rest at a height of 300 m.
a. Find the velocity after 2 seconds.
b. Find the time it takes for the object to reach the ground.
c. With what velocity does it hit the ground? - A car starting from rest is accelerated 15 m/s2. In how many seconds will its velocity be equal to 100 m/s? How far will it have traveled during this same time?
Transcribed Image Text:Data and Results
Frequency of the tuning fork: 128v/s
No. of crests =
5
Time interval =
0.03906 sec. or 0.04 sec
Time interval
Distance interval
Speed
(cm/s)
Acceleration
No. of time
(sec)
(cm)
cm/s?
Interval
1.
0.04
2.0
50
1250
2
0.04
4.0
100
1250
3
0.04
5.2
130
750
4
0.04
6.5
162.5
812.5
5
0.04
7.5
187.5
625
Average
0.04
5.04
126
937.5
Average acceleration (Experimental value)
937.5 cm/s?
True Value for acceleration due to gravity "g"
980 cm
% of error 4.37%
Calculations:
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
