Your are standing with your 1,212-kg car at a red light. The light turns green, and...
Your are standing with your 1,212-kg car at a red light. The light turns green, and you speed up your car to 59 mph. Then you continue at a constant speed. After another mile, what is the total work done on your car from the moment you started from rest? My answer was 15998 J but it turned out to be incorrect i dont know why. Any help would be appreciated.
Homework Answers
m = mass of car = 1212 kg
Vi = initial speed = 0 m/s
Vf = final speed = 59 mph = 26.4 m/s
work done = change in KE = (0.5) m (Vf2 - Vi2) = (0.5) (1212) (26.42 - 02)
W = 422357.8 J
Add Answer to:
Your are standing with your 1,212-kg car at a red light. The
light turns green, and...
At a junction, when the traffic light turns green, a car (A) at rest begins to...
At a junction, when the traffic light turns green, a car (A) at rest begins to roll with an acceleration of 2.2 m / s2. Always when the traffic light turns green (at t = 0), a second car (B) traveling at a speed of 9.5 m / s exceeds the first car. a. How far from the junction will the car catch up with car B? b. What is the modulus of its speed?
Two cars start from rest at a red stop light. When the light turns green, both...
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.6 m/s2 for 3 seconds. It then continues at a constant speed for 7.8 seconds, before applying the brakes such that the car’s speed decreases uniformly coming to rest 178.16 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the...
You are sitting in your car at rest at a traffic light with a bicyclist at...
You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from rest to 49.0 mi/h with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 49.0 mi/h. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 14.00 mi/h/s and thereafter moves with a...
Two cars start from rest at a red stop light. When the light turns green, both...
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 3.9 m/s2 for 4.7 seconds. It then continues at a constant speed for 10.2 seconds, before applying the brakes such that the car's speed decreases uniformly coming to rest 254.16 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the...
Review. You are sitting in your car at rest at a traffic light with a bicyclist...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from rest to 49.0 mi/h with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 49.0 mi/h. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 12.00 mi/h/s and thereafter moves with...
Review. You are sitting in your car at rest at a traffic light with a bicyclist...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from rest to 4 18.0 mi/h with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 48.0 mi/h. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 12.00 mi/h/s and thereafter moves...
Review. You are sitting in your car at rest at a traffic light with a bicyclist...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from est to 47.0 mifh with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 47.0 mih. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 14.00 mi/h/s and thereafter moves with...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light turns green. It continues with this acceleration until it reaches a speed of 20 m/s. It then travels at this speed for another few minutes. How far does the car travel in the first 35 s after the light changes to green? Express your answer in meters to one significant figure.
Bob is sitting in his car at a red light. The car is not moving. When...
Bob is sitting in his car at a red light. The car is not moving. When the light turns green, he takes his foot off the brake and the net force on the car becomes 3,920.4 N. What is his speed 3.29 s later? The mass of his car is 1,649 kg. Give your answer in m/s.
A car sitting at a red light begins to accelerate at 2 m/s2 when the light...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light turns green. It continues with this acceleration until it reaches a speed of 20 m/s. It then travels at this speed for another few minutes. How far does the car travel in the first 45 s after the light changes to green?
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 3.9 m/s2 for 4.7 seconds. It then continues at a constant speed for 10.2 seconds, before applying the brakes such that the car's speed decreases uniformly coming to rest 254.16 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from rest to 49.0 mi/h with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 49.0 mi/h. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 12.00 mi/h/s and thereafter moves with...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from rest to 4 18.0 mi/h with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 48.0 mi/h. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 12.00 mi/h/s and thereafter moves...
Review. You are sitting in your car at rest at a traffic light with a bicyclist at rest next to you in the adjoining bicycle lane. As soon as the traffic light turns green, your car speeds up from est to 47.0 mifh with constant acceleration 8.00 mi/h/s and thereafter moves with a constant speed of 47.0 mih. At the same time, the cyclist speeds up from rest to 23.0 mi/h with constant acceleration 14.00 mi/h/s and thereafter moves with...
Bob is sitting in his car at a red light. The car is not moving. When the light turns green, he takes his foot off the brake and the net force on the car becomes 3,920.4 N. What is his speed 3.29 s later? The mass of his car is 1,649 kg. Give your answer in m/s.
Most questions answered within 3 hours.
-
She estimates the following model as Rent = β0 + β1 Bedroom + β2
Bath +...
asked 15 minutes ago -
Prove that the following is a valid cumulative distribution
function
F(x) = x/(1+x) for a>=0
0...
asked 45 minutes ago -
Sal's satellite company broadcasts TV to subscribers in Los
Angeles and New York. The demand functions...
asked 7 minutes ago -
1. Sketch the expected Mass Spectrum of Pentane (C5H12)
2. Draw the most stable Newman projection...
asked 43 minutes ago -
Russel Wisselink “Have a plan ready for me by 9:00 a.m. tomorrow
morning” was the instruction...
asked 10 minutes ago -
Write the balanced chemical equation for the reaction between
iodate and bisulfite. Does the order with...
asked 33 minutes ago -
how can you efficiently determine the number of atoms
in a sample of an element?
asked 18 minutes ago -
Calcium dihydrogen phosphate, Ca(H2PO4)2, and sodium hydrogen
carbonate, NaHCO3, are ingredients of baking powder that react...
asked 23 minutes ago -
a car starts from rest at a stop sign. It accelerates
at 4.4m/s² for 7.5s, coasts...
asked 39 minutes ago -
can you identify some rules of how R is calculated for a circuit
in series? For...
asked 31 minutes ago -
Design and implement your own linked list class to hold a sorted
list of integers in...
asked 39 minutes ago -
Swissie Triangular Arbitrage. The following exchange rates are
available to you. (You can buy or sell...
asked 37 minutes ago