subject
Physics, 30.08.2021 01:00 gulleraliyeva1999

A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelerates with constant acceleration along the ramp and onto the freeway. The car starts from rest, moves in a straight line, and has a speed of 30 m/s (67 ml/h) when it reaches the end of the 140 m long ramp. (a) What is the acceleration of the car?
m/s2

(b) How much time does it take the car to travel the length of the ramp?

(c) The traffic on the freeway is moving at a constant speed of 30 m/s. What distance does the traffic travel while the car is moving the length of the ramp?

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 16:00, george27212
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 2
image
Physics, 21.06.2019 20:30, LunaSpellman
Which statement best describes how private industry decides where to spend the money on research and development
Answers: 1
image
Physics, 22.06.2019 02:50, antcobra
20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
Answers: 3
image
Physics, 22.06.2019 03:30, munchyswish
Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse
Answers: 3
You know the right answer?
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelera...

Questions in other subjects:

Konu
Mathematics, 28.01.2021 01:00
Konu
Mathematics, 28.01.2021 01:00
Konu
Mathematics, 28.01.2021 01:00