A car speeds up from a gas station with a constant acceleration of 4m/s^2 and reached 50m/s then stayed at this speed for a certain time. The driver sees his destination and applied the brakes causing a constant deceleration of 6m/s^2. The gas station is 2km away from his destination. a. How far did the car run at constant speed? b. How long did it take to finish the whole trip?

A car speeds up from a gas station with a constant acceleration of 4m/s^2 and reached 50m/s then stayed at this speed for a certain time. The driver sees his destination and applied the brakes causing a constant deceleration of 6m/s^2. The gas station is 2km away from his destination. a. How far did the car run at constant speed? b. How long did it take to finish the whole trip?

Similar questions

An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.10 m/s 2 and the automobile an acceleration of 3.4 m/s2. The automobile overtake the truck after if has move 40 m. a. How much time does it take the automobile to overtake the truck? b. How far was the automobile behind the truck initially?
A boy has a height of 1.83 meters measured from the ground surface. She then lifts a rock and throw it straight upward giving it an upward acceleration coming from rest of 35.0 m/s^2 for 64 cm. The ball was released 2.20 m above the ground. A.)How high above the ground does the rock go? B.) compute the time she must get out of its way before it returns exactly at his height
A stone is dropped at height 500 m from the ground. After 2 seconds, another stone isthrown upward with an initial velocity of 70 m/s. Assume acceleration due to gravity is9.81 m/s2.a. What is the time when they will meet?b. What is the height h, from the ground, where they will meet?
Asap
A car is initially moving with a velocity of +6.0 m/s and travels for 8.0 s with the uniform acceleration of +2.0 m/s^2. the driver then applies the brakes, causing a uniform acceleration of 4.0 m/s^2. the brakes are applied for the 2.0. A. Find the car's speed at the end of the braking period. B. How far has the car traveled during the whole process?
The car moves in a straight line such that for a short time its velocity is defined by v = (2t^3 + 3 t) m/s, where t is in seconds. a. What is its position in meters when t = 2 seconds, when t = 0, so = 5 meters? b. What is its acceleration in m/s^2 when t = 2 seconds, when t = 0, so = 5 meters?
A. Derive the expression for the instantaneous velocity. B. What is the instantaneous velocity of the bird when t=8.00s?
Driving down the road at a speed of 23.9 m/s, you suddenly notice a fallen tree blocking the road a distance of 82.0 m ahead of you. You step on the brake pedal and decelerate at a constant rate. What must the magnitude of your acceleration be so that you will come to a stop 6.6 m in front of the tree? a. 3.79 m/s^2 b. 3.48 m/s^2 c. 3.22 m/s^2 d. 7.58 m/s^2
An object is thrown straight up with an initial velocity of 31 m/s. a. How high does it go in meters? b. How long is it in the air in seconds?
A sports car driven by Snoop Dog covers 60 m in 10 sec while uniformly slowing down to a final velocity of 5.637 knots. a. Solve for the sport car's original speed b. Solve for its acceleration.
A river has a steady speed of 0.42 m/s. A student swims upstream a distance of 1.3 km and swims back to the starting point. a. If the student can swim at a speed of 1.01 m/s in still water, how long does the trip take? mins (round off to the nearest minute) b. How much time is required in still water for the same length swim? mins (round off to the nearest minute)
A ball rolls down from the top of an inclined plane. The displacements for the first 3 seconds are 2.40 m, 9.84 m, and 22.00 m. a. What is the average velocity of the ball at the end of 1s? 2s? 3s? b. What is the average acceleration of the ball at the end of 1s? 2s? 3s? c. What is the average of the accelerations obtained in (b)?