Homework Answers
3) No.
Explanation- if air resistance is negligible , then any object
which is falling
towards the center of the earth having constant acceleration, is
independent of its mass.
4) yes, it would be smaller speed than actual
Explanation- if the picket is tilted on releasing, then gravity and
air resistance will not be constant . There will be an torque on
the system , this will cause the picket fence to rotate about its
center of mass. Hence the free fall velocity will
decrease
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D Question 3 2 pts Would the value of 'g'change if the picket fence is dropped...
Question 2 3 pts Lorentz Force Changing the current through the wire would have changed the...
Question 2 3 pts Lorentz Force Changing the current through the wire would have changed the magnetic force on the wire. True False Question 3 3 pts Lorentz Force If the balance reads a value lower than the true mass of the magnet, the force on the loop is No answer text provided. downward upward zero Question 4 3 pts Lorentz Force Changing the current through the wire would have changed normal force on the magnet. True False Question 5...
Question 9 2.5 pts In which of the following situations would you retain the null hypothesis?...
Question 9 2.5 pts In which of the following situations would you retain the null hypothesis? When your alpha is larger than your p-value. When your positive test statistic is greater than your positive critical value. When your alpha is smaller than your p-value. When you determine your results to be statistically significant.
Question 4 3 pts The Critical Value changes as we move from a two-tailed hypothes is...
Question 4 3 pts The Critical Value changes as we move from a two-tailed hypothes is test to a one-tailed test True False Question 5 3 pts In reference to a Confidence Interval, which are true All the answers are correct The larger the level of alpha, the smaller the Bound of Error (BOE) The larger the level of alpha, the larger the Confidence Coefficient The larger the level of alpha, the larger the standard deviation Question 8 3 pts...
D Question 3 1 pts A bullet is shot straight in the air with an initial...
D Question 3 1 pts A bullet is shot straight in the air with an initial velocity of 177 f/sec.Calculate how high (absolute value in ft) it will go up before it stops and reverses its motion. Assume g 32.2ft/sec 2 and air resistance is negligible. 1 pts Question 5 A heavy object with negligible buoyancy enters water at a speed of 14 m/sec. Assuming a constant deceleration rate of -3.0 m/s2 in water, calculate how deep does it travel...
Question 3 1 pts Many nerves, for example, motor neurons used in muscle contraction, are wrapped...
Question 3 1 pts Many nerves, for example, motor neurons used in muscle contraction, are wrapped in myelin, a sheath of repeated units of lipid bilayers and proteins. The effect of myelin is to reduce the amount of ions leaking out the membrane, which therefore reduces the degree of amplification of a signal required during de- and repolarization, and, hence, increases the voltage signal speed. With regard to our model circuit, a myelinated axon simply can be represented by an...
(d) (3 pts) The average number of letters per word in the population of all 268 words is μ-4295. ...
Sample means 2.7 2.9 3.4 3.7 4.2 4.3 4.3 4.4 4.5 4.5 4.6 4.6 4.7
4.7 4.7 4.7 4.8 4.8 5 5 5 5.1 5.1 5.2 5.2 5.3 5.4 5.4 5.5 5.5 5.9 6
6.1 6.1 6.1 6.2 6.2 6.3 6.3 6.4 6.4 6.6 6.7 6.9 6.9 7 7 7.1 7.2 7.5
7.8 8.1 8.3
We were unable to transcribe this imageWe were unable to transcribe this image(d) (3 pts) The average number of letters per word in the population...
Can you answer 3 and 4 and any other question you think would be useful to...
Can
you answer 3 and 4 and any other question you think would be useful
to know?? Thank you!
Free Fall Practice PHYS& 114 Name: 1. An object is dropped from rest for 4.00 s. How far does it fall? 2. A penny is dropped from rest from a height of 3.50 m. a) What is the speed of the penny right before it hits the ground? b) How long does it take the penny to hit the ground? 3....
Question 17 > B0/2 pts Perform rank correlation analysis on the following data set: Y -0.5...
Question 17 > B0/2 pts Perform rank correlation analysis on the following data set: Y -0.5 14.4 11.6 20.5 1 2.8 3.7 5.3 7.2 7.8 9.7 11.1 11.7 162 19.4 16.8 25.7 38.2 The scatterplot of the data looks like this: Fill in the following table: у X-rank y-rank 1 -0.5 1 2.8 14.4 2 3.7 11.6 3 5.3 20.5 4 7.2 16.2 5 7.8 19.4 6 9.7 16.8 7 11.1 25.7 8 11.7 38.2 9 What is the rank...
Sorry for posting more than one question -- someone said they needed the rest of the...
Sorry for posting more than one question -- someone said they
needed the rest of the questions to better understand how to answer
one!
Question 1 1 pts Using the data provided in the table below for an "average" axon, we found in the previous lab and in the pre-lab questions for this lab) that the membrane resistance and membrane capacitance were about 44M0 = 44 x 102 and 60pF = 60 x 10-12 F, respectively, for a membrane segment...
need help ASAP 3 pts Question 2 Acetaminophen is a medication used to treat pain and...
need help ASAP
3 pts Question 2 Acetaminophen is a medication used to treat pain and fever and contains Carbon, Hydrogen, Oxygen, and Nitrogen. Combustion analysis of a 15.0-mg sample of acetaminophen produced 8.10 mg of water. What is the percent by mass of Hydrogen in acetaminophen? 4.4% 12.0% 7.5% 3.0% 6.0% Question 4 1.5 pts AgCl, FeCO3. Hg Bry, and Pbly are compounds that are insoluble in water. Which compound would be more soluble in acidic solution? AgCl only...
Question 2 3 pts Lorentz Force Changing the current through the wire would have changed the magnetic force on the wire. True False Question 3 3 pts Lorentz Force If the balance reads a value lower than the true mass of the magnet, the force on the loop is No answer text provided. downward upward zero Question 4 3 pts Lorentz Force Changing the current through the wire would have changed normal force on the magnet. True False Question 5...
Question 9 2.5 pts In which of the following situations would you retain the null hypothesis? When your alpha is larger than your p-value. When your positive test statistic is greater than your positive critical value. When your alpha is smaller than your p-value. When you determine your results to be statistically significant.
Question 4 3 pts The Critical Value changes as we move from a two-tailed hypothes is test to a one-tailed test True False Question 5 3 pts In reference to a Confidence Interval, which are true All the answers are correct The larger the level of alpha, the smaller the Bound of Error (BOE) The larger the level of alpha, the larger the Confidence Coefficient The larger the level of alpha, the larger the standard deviation Question 8 3 pts...
D Question 3 1 pts A bullet is shot straight in the air with an initial velocity of 177 f/sec.Calculate how high (absolute value in ft) it will go up before it stops and reverses its motion. Assume g 32.2ft/sec 2 and air resistance is negligible. 1 pts Question 5 A heavy object with negligible buoyancy enters water at a speed of 14 m/sec. Assuming a constant deceleration rate of -3.0 m/s2 in water, calculate how deep does it travel...
Question 3 1 pts Many nerves, for example, motor neurons used in muscle contraction, are wrapped in myelin, a sheath of repeated units of lipid bilayers and proteins. The effect of myelin is to reduce the amount of ions leaking out the membrane, which therefore reduces the degree of amplification of a signal required during de- and repolarization, and, hence, increases the voltage signal speed. With regard to our model circuit, a myelinated axon simply can be represented by an...
Sample means 2.7 2.9 3.4 3.7 4.2 4.3 4.3 4.4 4.5 4.5 4.6 4.6 4.7
4.7 4.7 4.7 4.8 4.8 5 5 5 5.1 5.1 5.2 5.2 5.3 5.4 5.4 5.5 5.5 5.9 6
6.1 6.1 6.1 6.2 6.2 6.3 6.3 6.4 6.4 6.6 6.7 6.9 6.9 7 7 7.1 7.2 7.5
7.8 8.1 8.3
We were unable to transcribe this imageWe were unable to transcribe this image(d) (3 pts) The average number of letters per word in the population...
Can
you answer 3 and 4 and any other question you think would be useful
to know?? Thank you!
Free Fall Practice PHYS& 114 Name: 1. An object is dropped from rest for 4.00 s. How far does it fall? 2. A penny is dropped from rest from a height of 3.50 m. a) What is the speed of the penny right before it hits the ground? b) How long does it take the penny to hit the ground? 3....
Question 17 > B0/2 pts Perform rank correlation analysis on the following data set: Y -0.5 14.4 11.6 20.5 1 2.8 3.7 5.3 7.2 7.8 9.7 11.1 11.7 162 19.4 16.8 25.7 38.2 The scatterplot of the data looks like this: Fill in the following table: у X-rank y-rank 1 -0.5 1 2.8 14.4 2 3.7 11.6 3 5.3 20.5 4 7.2 16.2 5 7.8 19.4 6 9.7 16.8 7 11.1 25.7 8 11.7 38.2 9 What is the rank...
Sorry for posting more than one question -- someone said they
needed the rest of the questions to better understand how to answer
one!
Question 1 1 pts Using the data provided in the table below for an "average" axon, we found in the previous lab and in the pre-lab questions for this lab) that the membrane resistance and membrane capacitance were about 44M0 = 44 x 102 and 60pF = 60 x 10-12 F, respectively, for a membrane segment...
need help ASAP
3 pts Question 2 Acetaminophen is a medication used to treat pain and fever and contains Carbon, Hydrogen, Oxygen, and Nitrogen. Combustion analysis of a 15.0-mg sample of acetaminophen produced 8.10 mg of water. What is the percent by mass of Hydrogen in acetaminophen? 4.4% 12.0% 7.5% 3.0% 6.0% Question 4 1.5 pts AgCl, FeCO3. Hg Bry, and Pbly are compounds that are insoluble in water. Which compound would be more soluble in acidic solution? AgCl only...
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