purse Home has an acceleration of +6.19 m/s² for 0.310 s. At the end of this time the particle's velocity is +9.26 m/s. Part A What was the particle's initial velocity? Express your answer to three significant figures. ? vo = m/s

purse Home has an acceleration of +6.19 m/s² for 0.310 s. At the end of this time the particle's velocity is +9.26 m/s. Part A What was the particle's initial velocity? Express your answer to three significant figures. ? vo = m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

The position of a ball as a function of time is given by x = (4.3 m/s)t + (-8 m/s²)t². Part A What is the initial position of the ball? Express your answer to two significant figures and include appropriate units. Value Submit Part B µÅ Submit Value Units Request Answer What is the initial velocity of the ball? Express your answer to two significant figures and include appropriate units. μᾶ Units ? Request Answer ?
The horse on a carousel is 4.2 m from the central axis. Part A If the carousel rotates at 0.11 rev/s, how long does it take the horse to go around twice Express your answer in seconds. 10 ΑΣΦ t
For each graph of vx vs. t in the left column, choose the letter (a-i) corresponding to the appropriate description of motion. Not all descriptions will be used. Assume the usual coordinate system (+x to the right, +y up, +z out of the page). a. A cart moves to the right, gradually slowing down. qv Ux by hv Uxi X Ux Ux Ux dv Ux Additional Materials eBook b. A cart moves to the right, gradually slowing down, stops, and moves to the left, speeding up. c. A cart moves to the left at constant speed. d. A cart moves to the right, gradually speeding up. e. A cart remains stationary and does not move. f. A cart moves to the right at constant speed. g. A cart moves to the left, gradually slowing down. h. A cart moves to the left, gradually slowing down, stops, and moves to the right, speeding up. i. A cart moves to the left, gradually speeding up.
A travels along a straight road. The following simplified graphbelow shows the car’s velocity over several time periods during20 seconds of travel. a) What was the average velocity of the car during the 16.0 – 20.0 s timeinterval? Answer to two significant digits. b) What was the instantaneous velocity of the car at time = 18.0 s? Answer totwo significant digits. c) Compare and explain your results from parts a and b.
Figure below is a velocity-versus-time graph for a moving object. The object starts at position x = 0. What is the acceleration at t= 1.0 s, in m/s2? Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. time in seconds
At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s². Part A At this rate, how long does it take to accelerate from 55 km/h to 120 km/h? Express your answer to two significant figures and include the appropriate units.
I Review As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 71 m long and has a speed of 2.3 m/s relative to the ground. Part A If it takes you 59 s to cover 71 m when walking on the ground, how long will it take you to cover the same distance on the walkway? Assume that you walk with the same speed on the walkway as you do on the ground. Express your answer using two significant figures.
Help me please
A speed skater moving across frictionless ice at 7.80 m/s hits a 4.70-m-wide patch of rough ice. She slows steadily, then continues on at 5.20 m/s. Part A What is her acceleration on the rough ice? ΑΣΦ ? m/s²
Coasting due West on your bicycle at 9.6 m/s, you encounter a sandy patch of road 6.7m across. When you leave the sandy patch your speed has been reduced by 3.8m/s to 5.8 m/s. a. Assuming the sand causes a constant acceleration, what was the bicycle’s acceleration in the sandy patch? Give both the magnitude and direction. b. How long did it take to cross the sandy patch? c. Suppose you enter the sandy patch with a speed of only 7.6 m/s. Is your final speed in this case 3.4m/s, more than 3.4m/s, or less than 3.4 m/s? Explain.
Q Next diagram shows relationship between aelocity and time of a body moving along shown path. Let me see physical touches in your answer, not just mathematical notes. O Find the average acceleration of the object during the time intervals (0-5) . (5-15) s (0-20) s i) Find the instantaneous acceleration at 2. 10s, 18s (ii) Find the displacement between (10-20) s. v (m/s) 8 6 4 2 I (s) 20 15 -2 -4 -6 -8 l
A honda civic starts moving from rest with constant acceleration of 4 m/s^2 for 5 seconds. a. Is it going to cover equal disteances every second during those 5 seconds? b. How much distance would the car cover in those five seconds of motion? show calculations c. What would be the instantaneous velocity of the car after five seconds of motion?