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- Becmid-B71423 ACADENIC) 00 Answer 370.98292 N Flag astion estion velocity (m/sec) vs time (sec) ed out of 8. 13 16 5 55 65 -13 The diagram above shows the velocity(m/s) versus time(s) graph of a man driving a car along a straight line from home to his work. What total distance did he travel in the first 8 seconds? Answer: the canThe velocity-time graph that describes the velocity of an object with time is given as in the figure below. if the values of a= 98.5, b=124.6 and c=57, Find the displacement made by the object in the first hour. v(km/h) b. a t(h) 0.5 1.0 1.5 2.0 Select one: A. 118.1 OB. 175.1 OC 398.4 OD. 139.6 OE 142.7 choiceChrome mod/quiz/attempt.php?attempt=55135&cmid=340724&page=2 suay 5.0U-o.00PIMI A particle starts from rest at a fixed point O and moves in a straight so that t seconds later, its velocity v m/s is given by v= +t+8. 1 An expression for it displacement s m from O at time t is
- D openvellum.ecollege.com/course.html?courseld%3D17139499&OpenVellumHMACE29)02ACIOTUTU Compute the average acceleration during the time interval t = 0 to t = 10s. Express your answer using two significant figures. The figure (Figure 1) shows the velocity of a solar- powered motorhome (RV) as a function of time. The driver accelerates from a stop sign, cruises for 20 s at a constant speed of 60 km/h, and then brakes to come to a stop 40 s after leaving the stop sign. aav Submit Request Answer Part B Compute the average acceleration during the time interval t = 30s to t = 40s. Express your answer using two significant figures. aay = Figure 1 of 1 (31 of 1 > Submit Request Answer U (km/h) 09 Part C 50 40 Compute the average acceleration during the time interval t = 10s to t = 30s. 30 Express your answer using two significant figures. 20 1. 5 10 15 20 25 30 35 40 (s) 1 - Aav IIA 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.A person drops a rock from the edge of a cliff that is 1350 ft high. The initial acceleration is a=−32 ft/sec^2. 1. What is the velocity equation? Use t as the variable and v for the velocity. 2. What is the displacement equation? Use t as the variable and s as the displacement. 3.What time did it hit the ground? (Hint: s=0) 4. What was the velocity just before impact?
- One fine day on an unused dirport runway, a high-end sports car conducted a 0 to 400 km/h performance test. Its velocity changed according to the following function v = a(1 – e " 16. where. 128.1 m/s b = 13.31 s Answer these three related questions. d. How long did it take the car to reach 400 km/h (111.111 m/s)? b. What was its average acceleration during the test? What is the car s theoretical top speed? с.A frustrated office worker throws his laptop out of his business's high- rise office building. The height, h, in meters of the laptop above the ground at t seconds can be modelled by h(t) = 125-5t². a. Determine the average rate of change between the third and fourth second of the laptop's flight. b. Estimate the rate at which the laptop hits the ground.To determine the height of a bridge above the water, a student drops a coin and measures the time it takes for it to hit the water. If the recorded time is 2.3 seconds, what is the approximate height of the bridge? C No answer O 22.56m O 13.79 m 34.21 m 9.13 m
- Ce A webassign.net/web/Student/Assignment-Responses/submit?dep=27519463&tags=autosave#question3572106_11 (h) 0.0207 3 DETAILS A walker covers a distance of 2.2 km in a time of 32 minutes. What is the average speed of the walker for this distance in km/h? km/h 5. DETAILS A tortoise and a hare cover the same distance in a race. The hare goes very fast for brief intervals, but stops frequently, whereas the t hare. (a) Which of the two racers has the greater average speed over the duration of the race? OThe tortoise has the greater average speed since he was the winner. The hare has the greater average speed since he can go faster. Their average speeds are equal. OIt's impossible to determine who had the greater average speed without collecting data. (b) Which of the two racers is likely to reach the greatest instantaneous speed during the race? OThe tortoise has the greater instantaneous speed since he was the winner. OThe hare has the greater instantaneous speed since he can go faster.A projectile is fired vertically from the ground with an initial velocity of 220 ft/sec. The initial acceleration is a=−32 ft/sec^2. 1. What is the velocity equation? Use t as the variable and v for the velocity. 2. What is the displacement equation? Use t as the variable and s as the displacement. 3. What was the velocity at t=5 seconds? 4. What time did the projectile reach its maximum height? (Hint: ?=0) Round to 1 decimal place. 5. What was the maximum height? Round to 1 decimal place.Direction: Solve what is required in each of the following problems. Show a step by step process in finding the solution of the problem. An airplane accelerates down a runway at 3.20 m/s2 for 38 s until is finally lifts off the ground. Determine the distance traveled before takeoff. Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.80 seconds, what will be his final velocity and how far will he fall? A car begins driving from a stationary position. It accelerates at 5 m/s2 for 15 seconds, then travels at a steady speed for another 10 seconds, all in the same direction. How much distance has it covered since it started driving?