1. For a ball falling straight down, sketch a graph of kinetic energy vs. time, and...
1. For a ball falling straight down, sketch a graph of kinetic energy vs. time, and a graph of potential energy vs. time. Assume that zero potential energy is at the floor.
2. Sketch a graph of the total energy vs. time for the ball.
3. What is Hooke’s law? What measurements would you make so you could construct a graph that would allow you to use Hooke’s law to find the spring constant.
4. In terms of force, when is a spring in equilibrium? Draw a free body diagram.
5. How do you calculate the potential energy stored in a spring? Where is the potential energy of the spring zero? Is that the same as the equilibrium point?
Homework Answers
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1. For a ball falling straight down, sketch a graph of kinetic
energy vs. time, and...
Energy of a Tossed Ball In this experiment, we will study energy changes using a Motion...
Energy of a Tossed Ball In this experiment, we will study energy changes using a Motion Detector. OBJECTIVES: • Measure the change in the kinetic and potential energies as a ball moves in free fall. • See how the total energy of the ball changes during free fall. MATERIALS: Computer Lab Pro Logger Pro Vernier Motion Detector Basketball PRELIMINARY QUESTIONS (PHY2048): For each question, consider the free-fall portion of the motion of a ball tossed straight upward, starting just as...
Sketch a graph of kinetic energy vs temperature. 1. Temperature of oxygen is 31K; Kinetic energy...
Sketch a graph of kinetic energy vs temperature. 1. Temperature of oxygen is 31K; Kinetic energy is 6.417x10^-22Jules 2. Temperature of oxygen is 69K; Kinetic energy is 1.4283x 10^-21 Jules 3. Temperature of oxygen is 194K; Kinetic energy is 4.0158 x10^-21Jules
Compare the kinetic energy of a 1-kilogram ball falling down from a 14-feet high window (from...
Compare the kinetic energy of a 1-kilogram ball falling down from a 14-feet high window (from the 2nd floor), to that of a 5.2-gram marble that falls from a 280-feet high (from the 20th floor) window? Which ball has greater impact when it hits the ground? If both balls were dropped from the 5th floor, which ball would hit the ground first?
There are two graphs that needs to be made in this lab: 1. Total Energy Vs...
There are two graphs that needs to be made in this lab:
1. Total Energy Vs time with m = 20g
2. Total Energy Vs time with m = 40g
A) Explain the nature of the plots .(Linear or non
linear?) The expected slope is zero in both cases. Why? Explain
with the use of law of conservation of energy. What is the
significance of the intercept?
B) Suppose you drew the Kinetic Energy Vs potential
Energy graph: The expected...
Sketch a fall distance vs fall time graph of 1) ball being dropped just above a...
Sketch a fall distance vs fall time graph of 1) ball being dropped just above a photo gate and 2) 30 cm above photo gate. thanks in advance
1. A simple harmonic motion of an object of mass m = 11 kg attached with a spring is represented as time vs displac...
1. A simple harmonic motion of an object of mass m = 11 kg attached with a spring is represented as time vs displacement graph in the following figure. Find the following parameters. 1.5m - АААААА 0.3 23 23 tis) -1.5m (a) Amplitude = (b) Time Period = (time for 1 wavelength distance) (c) Frequency = (d) Spring Constant = (e) Angular frequency = (f) Maximum Potential Energy stored in the spring (g) Maximum Kinetic Energy of the block (h)...
1) a) For the position vs. time graph shown below, sketch the velocity vs. time and...
1) a) For the position vs. time graph shown below, sketch the velocity vs. time and acceleration vs. time graphs corresponding to the motion. (5 pts each) Beside the position and acceleration graphs, describe the motion of the object and explain why you drew the graph the way you did. (10 pts) 25 pts total
DL6 Physics 7A Activity 2.7 (page 1) Graphically Representing Energy Relationships A) Phenomenon: Falling Ball: Overview:...
DL6 Physics 7A Activity 2.7 (page 1) Graphically Representing Energy Relationships A) Phenomenon: Falling Ball: Overview: Restate energy conservation; practice graphing energies from rest to just before it hits ground. Assume a 1 kg ball is dropped from a height of 2 meters above the floor. ituation I: We will analyze the energies of a dropped ball at any time between when it is dropped 1) Rethinking and restating energy conservation: Our standard expression of energy conservation for this situation...
Lab 7 Analysis ANALYSIS: 1. Use Logger Pro and graph the energies as a function of...
Lab
7 Analysis
ANALYSIS: 1. Use Logger Pro and graph the energies as a function of time. Please show all energies on the same graph. 2. Inspect your kinetic energy vs. time graph for the toss of the ball. Explain its shape. 3. Inspect your gravitational potential energy vs. time graph for the free-fall flight of the ball. Explain its shape. 4. Inspect your Total energy vs. time graph for the free-fall flight of the ball. Explain its shape. 5....
QUESTION 1 A ball of mass 5.0kg is lifted off the floor a distance of 1.7m....
QUESTION 1 A ball of mass 5.0kg is lifted off the floor a distance of 1.7m. 1. What is the change in the gravitational potential energy of the ball? 2. Now you release the ball from rest, and it falls to the floor. What is the kinetic energy of the ball just before it hits the floor? 3. What is the velocity of ball just before it hits the floor? QUESTION 2 Suppose that the ball in the last question...
Energy of a Tossed Ball In this experiment, we will study energy changes using a Motion Detector. OBJECTIVES: • Measure the change in the kinetic and potential energies as a ball moves in free fall. • See how the total energy of the ball changes during free fall. MATERIALS: Computer Lab Pro Logger Pro Vernier Motion Detector Basketball PRELIMINARY QUESTIONS (PHY2048): For each question, consider the free-fall portion of the motion of a ball tossed straight upward, starting just as...
There are two graphs that needs to be made in this lab:
1. Total Energy Vs time with m = 20g
2. Total Energy Vs time with m = 40g
A) Explain the nature of the plots .(Linear or non
linear?) The expected slope is zero in both cases. Why? Explain
with the use of law of conservation of energy. What is the
significance of the intercept?
B) Suppose you drew the Kinetic Energy Vs potential
Energy graph: The expected...
1. A simple harmonic motion of an object of mass m = 11 kg attached with a spring is represented as time vs displacement graph in the following figure. Find the following parameters. 1.5m - АААААА 0.3 23 23 tis) -1.5m (a) Amplitude = (b) Time Period = (time for 1 wavelength distance) (c) Frequency = (d) Spring Constant = (e) Angular frequency = (f) Maximum Potential Energy stored in the spring (g) Maximum Kinetic Energy of the block (h)...
1) a) For the position vs. time graph shown below, sketch the velocity vs. time and acceleration vs. time graphs corresponding to the motion. (5 pts each) Beside the position and acceleration graphs, describe the motion of the object and explain why you drew the graph the way you did. (10 pts) 25 pts total
DL6 Physics 7A Activity 2.7 (page 1) Graphically Representing Energy Relationships A) Phenomenon: Falling Ball: Overview: Restate energy conservation; practice graphing energies from rest to just before it hits ground. Assume a 1 kg ball is dropped from a height of 2 meters above the floor. ituation I: We will analyze the energies of a dropped ball at any time between when it is dropped 1) Rethinking and restating energy conservation: Our standard expression of energy conservation for this situation...
Lab
7 Analysis
ANALYSIS: 1. Use Logger Pro and graph the energies as a function of time. Please show all energies on the same graph. 2. Inspect your kinetic energy vs. time graph for the toss of the ball. Explain its shape. 3. Inspect your gravitational potential energy vs. time graph for the free-fall flight of the ball. Explain its shape. 4. Inspect your Total energy vs. time graph for the free-fall flight of the ball. Explain its shape. 5....
QUESTION 1 A ball of mass 5.0kg is lifted off the floor a distance of 1.7m. 1. What is the change in the gravitational potential energy of the ball? 2. Now you release the ball from rest, and it falls to the floor. What is the kinetic energy of the ball just before it hits the floor? 3. What is the velocity of ball just before it hits the floor? QUESTION 2 Suppose that the ball in the last question...
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