A race car accelerates uniformly from 18.5m/sec to 46.1m/sec in 2.47sec. Determine the acceleration of the car and the total distance traveled for the period.
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1.) A race car accelerates uniformly from 18.5m/sec to 46.1m/sec in 2.47sec. Determine the acceleration of the car and the total distance traveled for the period.
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- SITUATION 4. The rectilinear motion of a particle is governed by a = meters. Given that at time t = 1sec, x = 2m and v = 2m/s. a. Write the equarion of motion b. Determine the position, velocity and acceleration at t = 4sec. -16 , where a is in m/s² and x is in x3,SITUATION 1. The position of a particle in rectilinear motion is defined by the relation x = t³ - 2t² + 10t6, where x is in meters and t is in seconds. a. Determine the position at t = 3sec. b. Determine the velocity during t = 3sec. c. Determine the acceleration during t = 3sec.travelled, and the total time of travel. Situation 03. A Ford Territory and a Montero Sport are traveling in the same direction at 60.0 kph on a straight highway, parallel to each other, and the Territory is ahead of Montero by 248.90 kph. At a certain time, Territory decelerates uniformly at 2.50 m/s², whereas the Montero accelerates uniformly at 2.0 m/s2.At what distance measured from the initial position of Montero will it overtake Ford Territory. Situation 04. The acceleration of a particle moving along a straight line is a = Vs, where s is in meters If its nosition s-0 and velocity v-0 when it is at rest
- A car starting from rest picks up at a uniform rate and passes three electric posts in succession. The posts are 360 m apart along a street road. The car takes 10 s to travel from the first post to the second post and 6 seconds to go from the second post to the third post. a. Set up the equations of motion that is required to solve the problem. b. Where did the car started from the first post?Problem #1. Marty and Doc Brown are traveling at 10 m/s in a DeLorean and are trying to catch a train that is traveling at a constant 39 m/s. At to, the train is ahead of DeLorean by d kilometers. After 5 seconds, Marty hits the accelerator. A. What is the minimum acceleration that the DeLorean must have to catch the train? B. What is the speed of the DeLorean relative to the train when it catches up?An object is released from rest at a height of h. During the final second of its fall, it traverses a distance of 38m. Determine h. I would like to know the solution but also maybe an explanation on how I would know what process to take. For the last second, I was able to find that final vf = 38m/s. That is vf = deltax/deltat, or 38m/1s. I plugged it in to vf2 = vo2 + 2a(deltax), since I think that vf shouldn't change for h, but I got the wrong answer. Please explain.
- 1. If you walk 500 m due North and then 200 m due South,a. What is your total distance covered?b. What is your displacement? 2. A spacecraft traveling at 1200 m/s is uniformly accelerated at the rate of 150 m/s2 by burning itssecond stage rocket. If the rocket burns for 18 seconds, what is the final speed of the craft?A. SCALARS Three marathoners start running simultaneously from the same point along a linear track. On average, their speeds are presented in the given table here: Name Speed (m/s) Antonette 3.5 Jhuddy 2.2 Nica 2.3 After 5.0 seconds, how much farther is Antonette from Nica? How about the distance between Jhuddy and Antonette?s on A runner is also on the track going in the same direction as the walker, running at an unknown constant speed. The runner and the walker are together, then meet each other again when the walker has completed 1/2 of a lap, or 200m. What is the runner's speed? A walker is walking at a constant rate of 1 m/s on a circular track that is 400 m in length.
- A proton moves in a horizontal line according to the function s (t) = 4t³ – 6t + 3 t ≥ 0, where t 9 is measured in seconds, and S is measured in inches. Answer the following questions labeling your answers with proper units, if appropriate. a. Find the velocity of the proton at time t. b. Find the acceleration of the proton at time t. c. At what time t is the proton moving at a rate of 6 inch/s? d. At what time t is the proton at rest? You may give your answer either in exact form or rounded to 4 decimal places.A stone is thrown vertically upward with a speed of 17.6 m/sm/s from the edge of a cliff 75.0 mm high. A.)How much later does it reach the bottom of the cliff? Express your answer to three significant figures and include the appropriate units. B.)What is its speed just before hitting? Express your answer to three significant figures and include the appropriate units. C.)What total distance did it travel? Express your answer to three significant figures and include the appropriate units.at noon, ship A is 150km west of ship B. Ship A is sailing east at 35km/h and ship B is sailing north at 25km/h. How fast is the distance between the ships changing at 4:00 pm? A. what quantities are given in the problem? B. what is the unknown? C. draw a picture of the situation at any time t. D. write an equation that relates the quantities. E. finish solving the problem.
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