An automobile accelerates from rest at 2.01 m/s2 for 19.5 s. The speed is then held constant for 19.5 s, after which there is an acceleraton of -3.20 m/s2 until the automobile stops. What is the total distance traveled?
An automobile accelerates from rest at 2.01 m/s2 for 19.5 s. The speed is then held...
An automobile accelerates from rest at 1.84 m/s2 for 20.4 s. The speed is then held constant for 20.4 s, after which there is an acceleraton of -2.87 m/s2 until the automobile stops. What is the total distance traveled?
An automobile accelerates from rest at 1.90 m/s2 for 19.6 s. The speed is then held constant for 19.6 s, after which there is an acceleraton of -2.82 m/s2 until the automobile stops. What is the total distance traveled? Show work.
A speedboat starts from rest and accelerates at +2.01 m/s2? for 6.90 s. At the end of this time, the boat continues for an additional 5.80 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at-1.49 m/s2 for 8.15 s. (a) What is the velocity of the boat at t = 20.85 s? (b) Find the total displacement of the boat.
A speedboat starts from rest and accelerates at +2.01 m/s2 for 6.65 s. At the end of this time, the boat continues for an additional 5.70 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at −1.49 m/s2 for 8.65 s. (a) What is the velocity of the boat at t = 21 s? m/s (b) Find the total displacement of the boat. m
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.10 s. At the end of this time, the boat continues for an additional 6.15 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.70 s. (a) What is the velocity of the boat at t = 21.95 s? _______ m/s (b) Find the total displacement of the boat. _______ m
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 10.0 s. It runs at a constant speed for 50.0 s and slows down at a rate of 3.20 m/s2 until it stops at the next station. How far apart are the two subway stations? A 40 m B 80 m C 800 m D 920 m E None of the above.
A subway train starts from rest at a station and accelerates at a rate of 1.95 m/s2 for 15.0 s. It runs at constant speed for 74.0 s and slows down at a rate of 3.20 m/s2 until it stops at the next station. Find the total distance covered. 2.51 km 2.52 km 2.53 km 2.56 km
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.50 s. At the end of this time, the boat continues for an additional 5.75 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at −1.49 m/s2 for 8.35 s.
Prob. 2 A car starts from rest, accelerates at 1.5 m/s, and reaches a maximum speed vi. After that it decelerates at 2 m/s until it stops. During the entire process the car has traveled a distance of I km. (a) Sketch the velocity diagram of the particle during the process. (Leave vI as an unknown on the diagram) (b) Determine the maximum speed vi. (e) Determine the total time required.
An electric vehicle starts from rest and accelerates at a rate of 2 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 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle travel from start to stop?