A runner completes the 200-meter dash with a time of 20.18 seconds. Part A What was...
A runner completes the 200-meter dash with a time of 20.18 seconds.
Part A What was the runner's average speed in meters per second? Express your answer to four significant figures. nothing m/sm / s
Part B What was the runner's average speed in miles per hour? Express your answer to four significant figures.
Homework Answers
Add Answer to:
A runner completes the 200-meter dash with a time of 20.18
seconds.
Part A What was...
a runner completes the 200-meters dash with a time of 19.78 seconds.
a runner completes the 200-meters dash with a time of 19.78 seconds.
A 78 kg runner taking part in a 200 m dash must run around the end...
A 78 kg runner taking part in a 200 m dash must run around the end of a track that has a circular arc with a radius of curvature of 26 meters. if he completes the 200 m dash in 22.34 s and runs at constant speed throughout the race, what is the magnitude of his centripetal force as he runs the curved portion of the track?
A runner taking part in the 200 m dash must run around the end of a...
A runner taking part in the 200 m dash must run around the end of a track that has a circular are with a radius of curvature of 45 m. If he completes the 200 m dash in 29.8and runs at constant speed throughout the race, what is the magnitude of his centripetal acceleration (in m/s) as he runs the curved portion of the track? m/s² + Submit Answer
What is the velocity over 4.0 seconds and the average speed over 4.0 seconds? Subn Constants...
What is the velocity over 4.0 seconds and the average speed
over 4.0 seconds?
Subn Constants A dog runs from points A to B to C in 4.0 s. (See the figure below. (Figure 1) Part B Find the do Express y Figure 1 of 1 20 E1.0m Provide Feedback 3 女↑ 3 4 PartA Find the dog's average velocity over this 4.0 second interval. Express your answer in meters per second to two significant figures. m/s 05 You have...
e A sprinter runs the one-hun dred-yard dash in 9. 5 seconds. What was the runner's...
e A sprinter runs the one-hun dred-yard dash in 9. 5 seconds. What was the runner's speed in kilometers per hour?
Problem 20.18 Part A Calculate the speed of a proton after it accelerates from rest through...
Problem 20.18 Part A Calculate the speed of a proton after it accelerates from rest through a potential difference of 400 V Express your answer using two significant figures. 또, m/s Up Submit My Answers Give Up Part B Calculate the speed of an electron after it accelerates from rest through a potential difference of 400 V Express your answer using two significant figures. ie = m/s Submit My Answers Give Up
The 6 participants in a 200-meter dash had the following finishing times in seconds). 26, 24,...
The 6 participants in a 200-meter dash had the following finishing times in seconds). 26, 24, 24, 32, 32, 30 Assuming that these times constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places. (If necessary, consult a list of formulas.) 0 X 5 ?
Revieww Correct Careful measurements have been made of Olympic sprinters in the 100-meter dash. A quite...
Revieww Correct Careful measurements have been made of Olympic sprinters in the 100-meter dash. A quite realistic model is that the sprinter's velocity is given by ▼ Part B where t is in s, vx is in m/s, and the constants a and b are characteristic of the sprinter Sprinter Carl Lewis's run at the 1987 World Championships is modeled with a 11.81m/s and b 0.6887s-1 What was Lewis's acceleration at t 2.10 s? Express your answer using four significant...
Part A: The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t...
Part A: The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. Determine the velocity at t=0.40s. Express your answer in meters per second to two significant figures. Part B: Assume that the oscillating mass described in Part A is attached to a spring. What would the spring constant k of this spring be? Express your answer in newtons per meter to two significant figures. Part C: What is the total energy E...
5. The total racetime for a 100-meter dash can be considered the sum of two variables: the reacti...
5. The total racetime for a 100-meter dash can be considered the sum of two variables: the reaction time to the starting signal and the running time for the 100 meters. The scatterplot shows reaction times and running times for 20 runners in a certain race. The winner was the runner with the least total race time. 11.0T 10.8 10.6 10.4 e10.2 100. 9.8 9.6 9.4 0.13 0.15 0.17 0.19 0.21 Reaction Time (seconds) Circle the point on the graph...
A runner taking part in the 200 m dash must run around the end of a track that has a circular are with a radius of curvature of 45 m. If he completes the 200 m dash in 29.8and runs at constant speed throughout the race, what is the magnitude of his centripetal acceleration (in m/s) as he runs the curved portion of the track? m/s² + Submit Answer
What is the velocity over 4.0 seconds and the average speed
over 4.0 seconds?
Subn Constants A dog runs from points A to B to C in 4.0 s. (See the figure below. (Figure 1) Part B Find the do Express y Figure 1 of 1 20 E1.0m Provide Feedback 3 女↑ 3 4 PartA Find the dog's average velocity over this 4.0 second interval. Express your answer in meters per second to two significant figures. m/s 05 You have...
e A sprinter runs the one-hun dred-yard dash in 9. 5 seconds. What was the runner's speed in kilometers per hour?
Problem 20.18 Part A Calculate the speed of a proton after it accelerates from rest through a potential difference of 400 V Express your answer using two significant figures. 또, m/s Up Submit My Answers Give Up Part B Calculate the speed of an electron after it accelerates from rest through a potential difference of 400 V Express your answer using two significant figures. ie = m/s Submit My Answers Give Up
The 6 participants in a 200-meter dash had the following finishing times in seconds). 26, 24, 24, 32, 32, 30 Assuming that these times constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places. (If necessary, consult a list of formulas.) 0 X 5 ?
Revieww Correct Careful measurements have been made of Olympic sprinters in the 100-meter dash. A quite realistic model is that the sprinter's velocity is given by ▼ Part B where t is in s, vx is in m/s, and the constants a and b are characteristic of the sprinter Sprinter Carl Lewis's run at the 1987 World Championships is modeled with a 11.81m/s and b 0.6887s-1 What was Lewis's acceleration at t 2.10 s? Express your answer using four significant...
5. The total racetime for a 100-meter dash can be considered the sum of two variables: the reaction time to the starting signal and the running time for the 100 meters. The scatterplot shows reaction times and running times for 20 runners in a certain race. The winner was the runner with the least total race time. 11.0T 10.8 10.6 10.4 e10.2 100. 9.8 9.6 9.4 0.13 0.15 0.17 0.19 0.21 Reaction Time (seconds) Circle the point on the graph...
Most questions answered within 3 hours.
-
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 2 minutes ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 15 minutes ago -
Consider the following reaction: C 2H 2( g) + 2H 2( g) C 2H 6(
g)...
asked 22 minutes ago -
Consider a 1.0 L buffer containing 0.092 mol L-1 HCOOH and 0.100
mol L-1 HCOO-. What...
asked 31 minutes ago -
Koch Realty has owned a vacant land with a FMV of
$775,000 and an adjusted basis...
asked 37 minutes ago -
It is estimated 29% of all adults in United States invest in
stocks and that 85%...
asked 37 minutes ago -
What does a 2-sided p value of 0.04 mean? (I am not asking if it
is...
asked 51 minutes ago -
A parallel-plate capacitor is made from two aluminum-foil
sheets, each 7.8 cmcm wide and 5.1 mmlong....
asked 52 minutes ago -
1. why is toluene a stronger nucleophile than benzene?
2.why is phenol a stronger nucleophile than...
asked 1 hour ago -
4. How can you solve for the density of the liquid from the
slope? Please show...
asked 1 hour ago -
when 2053 j of heat is added to 46.3 g of hexane C6H14 the
temperature increases...
asked 1 hour ago -
I need new and unique answers, please. (Use your own words,
don't copy and paste), Please...
asked 1 hour ago