A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.)Velocity (m/s)14121062002Runner Velocity vs. Time46Time (s)810(a) What is his average velocity (in m/s) for the first 4 s?m/s(b) What is his instantaneous velocity (in m/s) at t = 7 s?m/s(d) What is his time (in s) for the race?12(c) What is his average acceleration (in m/s²) between 0 and 4 s?m/s²

Name: A graph of v(t) is shown for a world-class track sprinter in a 100-m
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.)Velocity (m/s)14121062002Runner Velocity vs. Time46Time (s)810(a) What is his average velocity (in m/s) for the first 4 s?

a) Total displacement travelled in 4seconds =(1/2)*4*12 = 24m Time taken =4s Average velocity is…

Science

Physics

A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.) Velocity (m/s) 420 14 12 2 0 2 Runner Velocity vs. Time Time (s) 8 10 (a) What is his average velocity (in m/s) for the first 4 s? m/s (b) What is his instantaneous velocity (in m/s) at t = 7 s? m/s (d) What is his time (in s) for the race? S 12 (c) What is his average acceleration (in m/s2) between 0 and 4 s? m/s²

A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.) Velocity (m/s) 420 14 12 2 0 2 Runner Velocity vs. Time Time (s) 8 10 (a) What is his average velocity (in m/s) for the first 4 s? m/s (b) What is his instantaneous velocity (in m/s) at t = 7 s? m/s (d) What is his time (in s) for the race? S 12 (c) What is his average acceleration (in m/s2) between 0 and 4 s? m/s²

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 9CQ: If you divide the total distance traveled on a car trip (as determined by the odometer) by the...

See similar textbooks

Similar questions

According to the Guinness Book of World Records, 1998, stuntman Dan Koko fell a distance of 312 feet into an airbag after jumping from the Vegas World Hotel and Casino. The distance d in feet traveled by a free-falling object in t seconds is given by the formula d = 16t2. To the nearest tenth of a second, how long did the fall last?
In the Funny Car competition at the Joliet Speedway in Joliet, Illinois in October of 2004, John Force complete the Â¼-mile dragster race in a record time of 4.437 seconds. Determine the average speed of the dragster in mi/hr and m/s. GIVEN: (1.000 mi =1609 m)
A man drives a car in a straight line south along a highway. He travels with a velocity of 112.6 km/hr S. How much time, in minutes, would he save if he were to instead travel with a velocity of 120.7 km/hr south?
Dwight decides to race around the perimeter of the Scranton business parkin an effort to beat another employee’s best running time. Assuming heruns with an average velocity of 10 ft/s, and he completes 4 laps in 5minutes,a. What is the perimeter of the business park in feet?b. In meters?( 1 ft = 0.3048 m )
The following table gives the position s1t2 of an object moving along a line at time t. Determine the average velocities over the time intervals 31, 1.014, 31, 1.0014, and 31, 1.00014. Then make a conjecture about the value of the instantaneous velocity at t = 1.
A stone is thrown vertically upward with a speed of 24.0 m/s. How fast is it moving when it is at a height of 14.0 m? How much time is required to reach this height? Why are there two answers to part B?
a driver sees a deer in front of his car about 100.0 meters in front of him. the driver was traveling 50.0m/s before applying the brakes and coming to rest right where the deer was. what acceleration did the driver experience? answer in m/s2?
A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 26 ft/s. Its height in feet after t seconds is given by y=26t−13t^2A. Find the average velocity for the time period beginning when t=1 and lasting .01 s: .005 s: .002 s: .001 s: NOTE: For the above answers, you may have to enter 6 or 7 significant digits if you are using a calculator.Estimate the instanteneous velocity when t=1.
A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 58.8 m/s in 6 seconds. She then pulls the parachute cord and after a 4 second deceleration, descends at 10 m/s for 60 seconds. reaching the ground. From what height did the parachutist jump?
Jane is driving down the road at 20.0 m/s looking for a house address. when she sees the house, she slams on her brakes. If her reaction time is 1.20s and her car deaccelerates at 3.50 m/s^2, how far past the point where she first saw the house did her car come to rest? I feel like I need to use one of the 4 kinematics equations, but none seem to be giving me the correct answer when I plug in my numbers :(
Rob drove to the nearest hospital with an average speed of v m/s in t seconds. If he drives home on the same path, but with an average speed of 3v m/s, how long is the return trip home in terms of t?
While on a car trip of 2000 km, you travel half of the distance at 120 km/hr and the other half at 30.0 km/hr. On the return trip, you travel half the time at 120 km/hr and the other half at 30.0 km/hr. What is your average speed for the entire trip (in km/hr)? Type your answer here km/hr