A sprinter accelerates from rest at a uniform rate of 2 m/sec" for 5 sec to reach his maximum speed. (a) How far does he go after 5 sec? (e) How long 14 m ? (d) What is his speed at that time ? (b)what is his speed time is required for the runner he to as parsses the 14-m go point ?

A sprinter accelerates from rest at a uniform rate of 2 m/sec" for 5 sec to reach his maximum speed. (a) How far does he go after 5 sec? (e) How long 14 m ? (d) What is his speed at that time ? (b)what is his speed time is required for the runner he to as parsses the 14-m go point ?

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 82AP: Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that...

See similar textbooks

Related questions

Q: An train starting from rest speeds up to 47. ft per sec with a constant acceleration of 3.862 ft/s,…

A: Area bounded by velocity time graph represents displacement. Slope under velocity time graph…

Q: A car is moving at a speed of 10 m/s, so if its speed is doubled due to uniform acceleration within…

A: Given data The velocity of the car is given as u = 10 m/s. The time interval is given as t = 10 s.…

Q: An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10…

Q: And object has an initial velocity of 15 m/s in a constant acceleration of 4 m/s squared. How long…

A: Initial velocity u=15m/sAcceleration a=4m/s2

Q: An object starts its moving from rest with constant acceleration of 1600 cm/s, what is the final…

A: initial velocity, u = 0 m/s acceleration, a = 1600 cm/s2 = 16 m/s2 distance, s = 3200 cm = 32m

Q: At a football tryout, a player runs a 40-yard dash in t2 = 4.00 seconds. If the reaches his maximum…

A: Answer

Q: Starting from rest at home plate, a baseball player runs to first base (90 ft away). He uniformly…

A: The initial velocity of the player u =0 ft/s The distance travelled with an acceleration s1 =11.5 ft…

Q: A ball starts, from rest, and rolls down a hill, with uniform acceleration, traveling 100m, during…

A: Given: initial velocity, u = 0 m/s distance traveled in second 2.4 s is 100m

Q: A person is jogging towards east at a constant speed of 2 m/s. How long will it take for the jogger…

Q: A platoon marching at 8km/hr is 2 km long, the rear man runs and send a message to the front man and…

A: Given that a platoon marching at 8km/hr is 2 km long, the rear man runs and send a message to the…

Q: Which is greater, an acceleration from 25km/h to 30km/h or one from 96km/h to 100km/h if both occur…

A: The acceleration from 25km/h to 30km/h is greater than the acceleration from 96km/h to 100km/h since…

Q: Assume a reaction time of 0.88 s and a constant acceleration of -6.7 m/s2 and estimate the total…

A: Calculating the distance travelled for the initial reaction time :

Q: A motorist travels for 2h at 70 km/h and 1h at 100 km/h. What is her average speed for the trip? *

A: The initial speed, u=70 km/h The initial time taken, t1=2 h The final speed, v=100 km/h The…

Q: A train of has a maximum speed of 50 km/hr and its acceleration and deceleration are limited to a…

A: V = u + at for acceleration V= final velocity u = initial velocity a = acceleration t = time For…

Q: In World War II, there were several reported cases of airmen who jumped from their flaming airplanes…

A: Given that the tree and the snow stopped the pilot at a distance of 3 m above the ground. Therefore,…

Q: a car, initally at rest, accelerates at 8.9 m/s for a total of 2.7s. How far did it go in this time?

Q: An object, let go from rest at height h, travels 0.33h during its first second. Find the average…

Q: An Olympic long jumper is capable of jumping 8.0 m. Assuming his horizontal speed is 9 m/s as he…

A: Given = distance= d= 8m Speed horizontal= 9 m/s Time= t= ??

Q: A car begins driving from a stationary position. It accelerate 4 m/s? for 10 seconds, then travels…

Q: A bear spies some honey and takes off from rest, accelerating at a rate of 2.00 m/s^2. If the honey…

A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 2.00 m/s2 Distance (d) = 9.9 m…

Q: If position in meters is a given by p(t)=-t^2+6t what is the speed s(t) at t=4 second?

A: Given,Position,p(t) = -t2 + 6t

Q: A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is…

A: Assume that, the initial velocity is u m/s, so the final velocity is -2u m/s, this negative sign…

Q: How long does it take a train to reach a velocity of 30m/s when it accelerates at a rate of…

A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 30 m/s Acceleration (a) = 0.2 m/s2…

Q: An automobile accelerates uniformly from rest to 72 km/h and then the brakes are applied so that it…

A: Solution: Convert 75 km /h to m/s. 75km/h=75×10003600 m/s=20.83m/s. Calculate the time taken during…

Q: In a slap shot a hockey player accelerates the puck from a velocity of 10.00 m/s to 50.0 m/s in the…

Q: The velocity of a particle traveling in a straight line is given by v = (6t - 3t^2) m/s, where t is…

A: Given: The velocity of a particle traveling in a straight line is given by v = (6t - 3t^2) m/s.…

Q: An object is movine from 13m/s to 20km/h, and it takes that object 3 minutes, what is the objects…

Q: A piece of stone thrown vertically upwards . It reaches the maximum height in 3 seconds. If the…

Q: In World War II, there were several reported cases ofairmen who jumped from their flaming airplanes…

Q: A car accelerates uniformly from rest to final speed of 18m/s in 9 sec. How far does it travel…

A: given u = 0 ( as car start from rest so initial velocity is zero) v = 18 m/s ( final velocity) t…

Q: What isbthe average speed of a car driven for the 4hrs trip if it has an average soeed of 180.0 km/h…

A: The given data are listed below with suitable variables. Here, v1 denotes the average speed during…

Q: The speed of a vehicle falls uniformly from 18 m/s to zero at a deceleration of 2.55 m/s?.…

A: Given, initial speed of car=u=18 m/s Final speed after deceleration=v=0 m/s deceleration=a=-2.55…

Q: A long-distance runner has an average speed of 3.0 m/s during a race. How far, in meters, does the…

A: Given , average speed = 3 m/s time (t) 10 min

Q: The electric train in Addis Ababa is designed to operate at à limiting acceleration and declaration…

A: Answer 42.4096 second

Q: The velocity of a body moving with uniform acceleration increases steadily. Its average velocity…

A: Write the expression of the average velocity. vavg=vi+vf2

Q: How far can a cyclist travel in 1.5 hours (h) if his average speed is 12 km/h?

A: We know distance(d)=average speed×time so, d = Vavg.× t

Q: ON A CERTAIN DESERT LAND, A HORSE IS RUNNING AT A SPEED OF 60 MPH. HOW FAR BACK OF A STOP WAGON…

A: Given that:- Speed of horse=60mph

Q: If a car accelerates uniformly from rest to 15 m/s over a distance of 100m, the magnitude of the…

A: The expression for the acceleration from kinematics is,

Q: A long distance runner has an average speed of 3.0 m/s. How far (in m) does the runner travel in 20…

A: The expression for the travelled distance is,

Q: In a motion with constant acceleration the velocity is reduced to zero in 5 seconds and after…

A: Write the expression for kinematic relation for final velocity

Q: The head of a rattlesnake can accelerate at 50 m/s2 in striking a victim. If a car could do as well,…

A: The initial speed of the rattle snake is 0, the final speed is 100 km/h and the acceleration is…

Q: A snatcher is running along a straight line with a constant acceleration. He covers a distance of…

A: Given data: Distance (d) = 70.0 m Initial velocity (Vi) = 0 m/s Time (t) = 8.00 s Required: Final…

Q: A dog trots back to its owner with an average speed of 1.40 m>s from a distance of 2.3 m. How…

A: The average speed of the dog, s=1.40 m/s The distance between the dog and its owner, d=2.30 m

Question

A sprinter accelerates from rest at a uniform
rate of 2 m/sec" for 5 sec to reach his maximum speed.
(a) How far does he go
after 5 sec? (e) How long
14 m ? (d) what is his speed
at that time ? (b)what is his speed
time is required for the runner
he
the 14-m
as
to
parsses
go
point ?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

=2.Aparticle, atrest, was initially moving at a constant acceleration of 10 m/s. Howfarwillyou travel in (a) 20 secomds and (b) 4.0 seconds? If the initial velocity of this objectwas 4 m/s, then howfarwould it travelin (c) 2.Os and (d) 4.0s?
A car going initially 60 mi/hr hits the brakes and skids to a stop in 4 seconds. What isthe acceleration in mi/hr/sec? What is the total distance covered by the car during itsdeceleration?
You drive a beat-up pickup truck down a straight road for 5.2 mi at 43 mi/h, at which point yourun out of fuel. You walk 1.2 mi farther, to the nearest gas station, in 27 min (= 0.450 h). What isyour average velocity from the time you started your truck to the time that you arrived at thestation?
A high-speed bullet train accelerates and decelerates at therate of 4 ft/s2 . Its maximum cruising speed is 90 mi/h.(a) What is the maximum distance the train can travel if itaccelerates from rest until it reaches its cruising speedand then runs at that speed for 15 minutes?(b) Suppose that the train starts from rest and must come toa complete stop in 15 minutes. What is the maximumdistance it can travel under these conditions?(c) Find the minimum time that the train takes to travelbetween two consecutive stations that are 45 milesapart.(d) The trip from one station to the next takes 37.5 minutes.How far apart are the stations?
On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into theSnohomish River below. The swimmers stepped off the bridge,and I estimated that they hit the water 1.5 s later. (a) How high wasthe bridge? (b) How fast were the swimmers moving when theyhit the water? (c) What would the swimmers’ drop time be if thebridge were twice as high?
A car accelerates from rest at 1 m/s2 for 20 seconds along a straight road. It then moves at a constant speed forhalf an hour. It then decelerates uniformly to a stop in 30 seconds. Find the total distance covered by the car inkm.
On a 200 km bike cycle ride, you ride the first 90 km at an average speed of 20 m/s. What mustyour average speed over the next 40 km be to have your average speed for the total 200 km be?(a) 60 m/s?
A car moveing with the velocity of 20 m/s and it travl for 20 sec and stope find the distance travel by the car ?
In the 1968 Olympics in Mexico City, Bob Beamon shattered the record forthe long jump with a jump of 8.90 m. His speed on takeoff was 9.5 m/s.How close did this athlete come to the maximum possible range in theabsence of air resistance?
In 1967, New Zealander Burt Munro set the world recordfor an Indian motorcycle, on the Bonneville Salt Flats in Utah,with a maximum speed of 183.58 mi/h. The one-way coursewas 5.00 mi long. Acceleration rates are often described bythe time it takes to reach 60.0 mi/h from rest. If this time was4.00 s, and Burt accelerated at this rate until he reached hismaximum speed, how long did it take Burt to complete thecourse?
A cyclist moving with a speed of 2.0 m/s pedals furiosly and accelerates at 1.2 m/s^2, covering a distance of 45.0 . For how long did the cyclist accelerates?
Cars A and B are travelling in the somu direction at the samo spead of 20 kph along a lovel rood with a Cor A ISDM ahead of car B. Car A decelerates at 2 m/3. from this mstant up to the fime Cor B overtakes Car A, how fer in meters has Car A traveled?