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January 30, 2015

Search: An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 20 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops

Number of results: 46,110

Physics
An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. a)How much time elapses from start to stop? b)How far does the vehicle travel...
September 3, 2009 by Nick

Physics
An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 17 m/s. The vehicle then slows at a constant rate of 1.4 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle ...
January 16, 2011 by Ethan

Help! Calculus
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
November 6, 2013 by Kimmie

calculus HELP!
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
November 6, 2013 by Kimmie

science
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
November 6, 2013 by Jenna

Physics
A truck on a straight road starts from rest and accelerates at 3.0 m/s2 until it reaches a speed of 18.1 m/s. Then the truck travels for 24.5 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.7 s. (a) How long is the ...
September 10, 2013 by Kelsey

physics
A truck on a straight road starts from rest and accelerates at 2.0 m/s2 until it reaches a speed of 20 m/s. Then the truck travels for 20 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.0 s. (a) How long is the truck ...
January 22, 2012 by seanso

physics
A car and a motorcycle start from rest at the same time on a straight section of the road. However, the motorcycle starts 29.6 m behind the car. The car accelerates at a uniform rate of 3.9 m/s^2 while the motorcycle accelerates at a constant rate of 4.2 m/s^2. How much time ...
December 2, 2009 by Alex

physics
a car starts from rest and accelerates at in a straight line at a constant rate of 4.5m/s/s. How far will the car travel in 35 seconds.
November 22, 2011 by al

COLLEGE PHYSICS
A 1100kg car starts from rest, accelerates for 5 seconds. The magnitude of acceleration is (a)= 4.6m/s2. find the average power generated by the net force that accelerates the vehicle? what do i do here i know that F=ma= 1100x4.6=5060=F and Wnet = 1/2mvf2-1/2mvi2 since it ...
October 18, 2007 by natali

applied maths
A tram starts from rest atone station and comes to a stop one minute later at the next. It accelerates uniformly at 2m/s2 until it reaches a speed of 20m/s. It travels at this constant speed for a certain time until it decelerates back to rest at 4m/s2. Find the average ...
September 10, 2011 by Anonymous

physics
a particle is moving in a straight line the particle starts with speed 5ms and accelerates at a constant rate of 2ms for 8s it then decelerates at a constant rate coming to rest in a further 12s find the total distance during 20s it is 230 but i dont understand how
October 9, 2014 by Sam

Physics
A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 1.5 s. Then, during a negligible amount of time, he changes the magnitude of his acceleration to a value of 1.4 m/s2. With this acceleration, he continues in the ...
September 26, 2010 by Amanda

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80106 m/s2. Find its velocity 2.45 s after it starts to move.
December 15, 2010 by sue

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80106 m/s2. Find its velocity 2.45 s after it starts to move.
December 15, 2010 by sue

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80106 m/s2. Find its velocity 2.45 s after it starts to move.
December 16, 2010 by tammy mikols

Engineering science
A vehicle with a mass of 1200 kg accelerates uniformly from rest upwards with an incline of 1:25 and reaches a speed of 72 km/h after 2 minutes,calculate: 1.The kineyic energy of the vehicle after 2 minutes 2.The potential energy of the vehicle after 2 minutes
May 26, 2013 by Ayanda

dynamics
a motorcycle traffic police starts from rest at point A two seconds after a car speeding at the constant rate of 120 km/h passes point A (where speed limit is 100 km/h only) if the policeman accelerates at the rate of 6 m/s^2 until he reaches the speed of 150 km/h and ...
April 1, 2013 by mahdi

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by Anonymous

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by Anonymous

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by Anonymous

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by Anonymous

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by Anonymous

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by heaven

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013 by heaven

Physics
A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the truck travels for 76.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.00 s. What is the average ...
January 28, 2014 by Anonymous

Physics 1
A subway train starts from rest at a station and accelerates at a rate of 1.60m/s^2 for 14.0 s. It runs at constant speed for 70.0 s and slows down at a rate of 3.50m/s^2 until it stops at the next station. What is the total distance covered?
September 13, 2007 by Douchan

Physics
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s^2 for 14.0 s . It runs at constant speed for 70.0 s} and slows down at a rate of 3.50m/s^2 until it stops at the next station. Find the total distance covered.
September 1, 2010 by Ceci

College Physics!!!
A truck on a straight road starts from rest accelerating at 2.0 m/s2 until it reaches a speed of 20 m/s. Then the truck travels for 20 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.0 s. What is the average velocity ...
October 6, 2008 by Steph

Physics
A truck on a straight road starts from rest and accelerates at 2.8 m/s^2 until it reaches a speed of 16 m/s. Then the truck travels for 16s at constant speed until the brakes are applied,stopping the truck in a uniform manner in an additional 3.6 s. How long is the truck in ...
September 9, 2014 by Isaac

Physics
an ambulance starts its motion from rest at a hospital and accelerates at a rate of 1.60 m/s^2 for 14.0 s. after that, it travels at constant speed for 70.0 s, and it the slows down at a rate of 3.5 m/s^2 until it stops (vf=o m/s) at the accident seen. find the total distance...
September 29, 2012 by 010203

Physics
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s^2 for 14.0 s. It runs at constant speed for 70.0 s and slows down at a rate of 3.50 m/s^2 until it stops at the next station. Find the total distance covered? so far I figured out that I have x=...
June 4, 2009 by Sarah

Physics
A subway train starts from rest at a station and accelerates at a rate of 1.50m/s^2 for 13.3s . It runs at constant speed for 71.0s and slows down at a rate of 3.48m/s^2 until it stops at the next station. Find the total distance covered. Express your final answer in kilometers
January 17, 2012 by Kim

Physics
A subway train starts from rest at a station and accelerates at a rate of 1.50m/s^2 for 13.3s . It runs at constant speed for 71.0s and slows down at a rate of 3.48m/s^2 until it stops at the next station. Find the total distance covered. Express your final answer in kilometers
January 17, 2012 by Kim

physics
A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 11.0 m/s. Then the truck travels for 65.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.00 s. (a) How long is the ...
September 29, 2014 by Anushya

Classical Mechanics
During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 2.0 m in front of Alice. They are both running with the same speed of v0= 5.0 m/s. When the finish line is a distance L= 45.0 m away from Alice, ...
September 15, 2013 by rya

mitx 8.01x Classical Mechanics
During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 2.0 m in front of Alice. They are both running with the same speed of v0= 5.0 m/s. When the finish line is a distance L= 45.0 m away from Alice, ...
September 10, 2013 by youlife

Calculus Help
A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your answers to three decimal places.) (a) What is the maximum distance the train can travel if it accelerates from rest until it reaches its cruising ...
April 19, 2014 by Ali

science-reasoning
in 5 seconds, a car moving in a straight line increases it's speed from 50km/h to 65km/h, while a truck goes from rest to 15km/h in a straight line. which undergoes greater acceleration? what is the acceleration of each vehicle?
October 20, 2007 by Drew

Physics
During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 4.0 m in front of Alice. They are both running with the same speed of v0= 7.0 m/s. When the finish line is a distance L= 45.0 m away from Alice, ...
September 12, 2013 by Urgent help

Physics
A police car is at rest beside a road, looking for speeders. A car passes going at a constant speed of 30.0 m/s. The police car starts up 4 seconds later and accelerates at 2 m/s sq. until it reaches a speed of 40m. If the police car maintains this speed until it catches up ...
December 18, 2012 by Emily

Physics
A bus starts from rest at a bus stop and accelerates at a rate of 1.12 m/s^2 for 11.0s. It runs at constant speed for 80.0 s and slows at a rate 1.20 m/s^2 until it stops at the next bus stop. (a) What is the maximum speed attained. (b) Find the total distance covered.
March 8, 2011 by Paul

Physics
A car accelerates uniformly in a straight line from rest at the rate of 2.7 m/s 2 . What is the speed of the car after it has traveled 58 m? Answer in m/s
September 18, 2011 by Hayley

physics
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver sees a small gap between a van and an 18-wheel truck and accelerates with constant acceleration along the ramp and onto the freeway. The car starts from rest, moves in a straight line, ...
September 29, 2013 by Emma

Physics
A car starts from rest and accelerates at a rate of 1 m/s^2 until it reaches a velocity of 7 m/s. It then travels at a constant velocity for the next 15 seconds. The driver then applies the brake, bringing the car to stop. The brakes provide an acceleration of -4 m/s^2. a) ...
September 14, 2014 by Ulash

Physics
A runner of mass 51.5 kg starts from rest and accelerates with a constant acceleration of 1.35 m/s2 until she reaches a velocity of 5.7 m/s. She then continues running with this constant velocity. (Take the direction the runner is going to be the positive direction. Indicate ...
May 18, 2012 by James

physics
A vehicle accelerates from rest at 6.68 m/s/s for 4.1 s. What is the final speed of the vehicle?
October 4, 2012 by Victoria

physics
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.
March 1, 2010 by electric field

Physic
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s^2.Determine the magnitude and direction of electric field.
December 16, 2014 by Syam

physics
The plates of a parallel plate capacitor are separated by a distance of 1.2cm, and the electric field within the capacitor has a magnitude of 2.1x 10^6 V/m. An electron starts from rest at the negative plate and accelerates to the positive plate. What is the kinetic energy of ...
July 10, 2008 by H

AP physics
Lucy is using a programmable treadmill. She inputs a top speed into the treadmill and presses "start." The treadmill accelerates from rest at 0.100 m/s2 until it reaches that speed, after which it stays at that constant speed. Later, when she is getting tired, she hits the "...
October 1, 2012 by Philip

physics
Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the moment car a is at max speed, and speeds up with constant acceleration. How much time elapses between when car b starts moving, and car b passes car ...
September 28, 2014 by Jackk

Physics
An object with charge qo = 1.5μC and mass 0.7 g starts from rest at the +6V equipotential line. Calculate its change in potential energy and speed when it reaches the +2V line.
February 15, 2010 by Amy

Physics
An object with charge qo = 1.5μC and mass 0.7 g starts from rest at the +6V equipotential line. Calculate its change in potential energy and speed when it reaches the +2V line.
February 16, 2010 by Amy

Physics 12
A sports car is travelling along a highway at a constant velocity of 36 m/s [N] exceeding the speed limit. It passes an unmarked police car parked on the shoulder of the highway. The police car accelerates from rest, 3.0 s after the sports car passed it, at the rate of 6.0 m/...
September 18, 2014 by John

Physics
A runner of mass 51.5 kg starts from rest and accelerates with a constant acceleration of 1.35 m/s2 until she reaches a velocity of 5.7 m/s. She then continues running with this constant velocity. (Take the direction the runner is going to be the positive direction. Indicate ...
May 18, 2012 by James

math(mechanics 1)
a car traveling on a straight road accelerates uniformly at a meter per second square from its initial speed of 20 meter per second until it reaches a speed of 30 meter per second. the car travels at this speed for 600 meter and then decelerates uniformly at 0.5a meter per ...
March 4, 2012 by maha

physics
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0s. It runs at a constant speed for 70.0 s and then slows down at a rate of -3.50 m/s2 until it stops at the next station. a) Sketch a position vs. time graph for this problem. b) Sketch...
June 4, 2012 by cody

Physics
A 862-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 30.0 m/s. What is the average force exerted on the car during this time?
October 24, 2011 by Anonymous

physics
A 970-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 25.0 m/s. What is the average force exerted on the car during this time
September 18, 2012 by Anonymous

Physics
Could you please check my answers and units. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds...
August 27, 2007 by Emma

physics
a 1.10 x 10 cubed kg car accelerates from rest for a time period of 5.0 sec. The magnitude of the acceleration is 4.60 m/s squared. determine the average power generated by the force that accelerates the vehicle
November 16, 2010 by Derick

physics, dynamics
Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 2 m/s2 until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when t = 0, car B located 2000 m down the road is traveling towards A at a constant speed of ...
January 13, 2011 by siti

Physics
A car starts from rest and accelerates unifomly at 3m/s^2. A second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5m/s^2. How long does it take the second car to over take the first car?
October 20, 2011 by Joe

Physics
1.A bus travels 400 m between two stops. It starts from rest and accelerates at 1.50 m/s^2 until it reaches a velocity of 9.00 m/s. The bus continues at this velocity and then decelerates at 2 m/s^2 until it comes to a halt. Find the total time required for the journey. 2.A 28...
September 6, 2014 by Anonymous

Physics
Could you please check my answers and units.Also, help me with 3 and 4, I dont quite understand them. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already ...
August 28, 2007 by Emma

Phy 231
A CD-Rom starts from rest and undergoes uniform angular acceleration until it reaches 26,000 rpm in 0.25 s. Through what angle does it rotate during this time?
July 31, 2012 by Sally

physics
A racecar accelerates along a straight track. It reaches 160 km/hr when it is 0.4 km from the start. It maintains the same speed until it is 1.6 km from the start. What is the displacement of the car during the time that it goes 160 km/hr?
August 15, 2011 by Anonymous

Physics
A car's initial velocity of 13.5 m/s accelerates at a rate of 1.9 m/s^2 for 6.2 s. Then, it accelerates at a rate of -1.2 m/s^2 until it stops. 1) What is the car's maximum speed? 2) What is the total time from the start of the first acceleration until the car is stopped? 3) ...
February 1, 2012 by Erica

physics
An object starts from rest and accelerates uniformly down an incline. If the object reaches a speed of 40 m/s in 5 seconds, what is its average speed?
January 2, 2009 by Kevin

physics
During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 4.0 m in front of Alice. They are both running with the same speed of v0= 7.0 m/s. When the finish line is a distance L= 45.0 m away from Alice, ...
September 11, 2013 by tini

physics
A car accelerates uniformly in a straight line from rest at the rate of 3.2 m/s2. What is the speed of the car after it has traveled 58 m? Answer in units of m/s How long does it take the car to travel 58 m? Answer in units of s
October 8, 2012 by Jordan Adams

Physics
1. A car starts from rest and accelerates uniformly at 3.0 m/s2. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at 5.0 m/s2. How long does it take the second car to overtake the first car? 2. A ball is thrown downward from the top of a ...
February 16, 2012 by G

physical
A car starts from rest its acceleration is 2m.s-2 in a straight line. What is it displacement after 10 seconds?
February 4, 2011 by Zinhle

physics
A car accelerates uniformly in a straight line from rest at the rate of 3.7 m/s2 . What is the speed of the car after it has traveled 67 m? Answer in units of m/s 014 (part 2 of 2) 10.0 points How long does it take the car to travel 67 m? Answer in units of s
October 27, 2014 by Anonymous

mechanical science
10. A car is moving in a straight line starts from rest, accelerates uniformly at 12 m/s2 for the first 5s, then travels at uniform speed for the next 2s and finally decelerates uniformly at 4 m/s2 for the next 5s. Draw the acceleration-time graph, velocity-time graphs and ...
December 20, 2012 by anshuman kumar

physics
An astronaut is traveling in a space vehicle moving at 0.520c relative to the Earth. The astronaut measures her pulse rate at 74.0 beats per minute. Signals generated by the astronaut's pulse are radioed to the Earth when the vehicle is moving in a direction perpendicular to ...
October 10, 2014 by sara

Physics
A ball travels at 59.78 m/s for a distance of 16.45768956 meters, then decelerates at -89.67 m/s2 until is reaches a velocity of -89.67 m/s, then accelerates at 59.78 m/s2 until it reaches a velocity of 16.45758956 m/s, as shown in the graph to the right. What's the average ...
September 21, 2009 by Jamie

science
A vehicle starts from rest and accelerates with a constant acceleration, covering 200m in 5s. it then continues at a constant velocity for 300m before decelerating with a constant 2m/s^2 deceleration to a stop. what is the maximum speed attained, total time traveled, total ...
September 9, 2014 by annie

physics
n boat starts from rest and accelerates at a constant rate to a final speed of 28 m/s over a distance of 780 m. How much time will this take?
February 6, 2012 by Hannah

Science
I have some equations that I would like checked. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? 3m/s^2 / 4 = .75 m/s 2. If an automobile travels at 30 km/hr. for 2 hours, how far does it go? d=(30 km/...
August 26, 2007 by Emma

physics
An object starts from rest and accelerates at a rate of 2.50 m/s/s for 7.00 seconds. The velocity at the end of the 7.00 seconds is...
May 22, 2010 by christy

physics
A student starts from rest from his house and accelerates uniformly at the rate of 2m/sec^2 for 30 sec then he apply break for 45 sec and come to rest at his school.how far is his school
May 27, 2012 by parul

physics
Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.
June 3, 2014 by grey

physics
Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.
June 6, 2014 by grey

Physics
a race car driver on a straight track starts the tryout from rest at t = 0 and x = 0. the car accelerates with an acceleration given by a(t) = 0.25t (m/s^2). how far eill the car travel in 12 secs?
October 14, 2013 by Joe

Physics
An airplane starts from rest and accelerates at a constant rate if 3.00m/s^2 for 30.0s before leaving the ground. A)How far did it move? B) how fast was it going when it took off?
January 22, 2014 by Sandara

physics
Two charged particles in an accelerator are at rest until an electric field causes them to accelerate away from each other when the field switched is turned on, particle a accelerates to the left at 8.97e+07 m/s2 while particle B accelerates to the right at 7.78e+08 they start...
October 17, 2010 by Becka

physics
Altitude of 575m with zero initial velocity; 8.0s she falls freely; rate of descent et 15m/s^2 until her rate of descent reaches 5.0m/s.At this point she adjust her rocket engine control to maintain that her rate of descent until she reaches ground. How much time is required ...
October 8, 2009 by monica

Physics
An aircraft starts from rest and accelerates at 42.5m/s^2 until it takes off at the end of the runway. How long will it take the aircraft to travel down the 2.6km runway? Answer is 11 seconds
July 3, 2013 by alex

physics
The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 75 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 66 m/s in 4.5 s? Answer in units of kN
November 22, 2014 by Kyle

Science
The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 94 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 60 m/s in 8.2 s? Answer in units of kN
November 29, 2014 by jocelyn

Physics
The acceleration of gravity is 9.8 m/s^2 . What is the magnitude of the total force on a(n) 72 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 61 m/s in 7.8 s? Answer in units of kN
November 30, 2014 by Jackie

physics
The acceleration of gravity is 9.8 m/s 2 . What is the magnitude of the total force on a(n) 87 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 41 m/s in 5.3 s? Answer in units of kN
November 30, 2014 by jo

physics
A motorboat accelerates from rest in a straight line at a constant 2.0 m/s2 for a time of 8.0s. Show that it travels 64m in this time.
February 12, 2011 by Daisha

physics
A vehicle with an initial displacement of 10.om and an initial velocity of 16.0 m/s accelerates at an average rate of 0.50 m/s2 for 4.0 s. What is the vehicle's displacement after 4.0 s?
November 30, 2011 by terri

physics
A mouse is running away from a cat at. 75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate of. 25 m/s^2 until he reaches his hole safely. How long a time was required for him to cover te last 1.25m?
June 26, 2012 by samanth

physics
A mouse is running away from a cat at. 75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate of. 25 m/s^2 until he reaches his hole safely. How long a time was required for him to cover te last 1.25m?
June 26, 2012 by samanth

Physics
A circular disk starts from rest and spins around its central axis until it reaches 10 rad/s in 30 seconds at a constant angular acceleration. What is the angular acceleration?
May 8, 2010 by Jessica

mechanical science
a c accelerates from rest in a straight line. after 12 seconds, it's velocity is measured as 42 m/s. use one of the linear equations of motion to calculate the car's acceleration
January 8, 2013 by john

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