The v s graph for a test vehicle is shown. (Eigure 1) Determine its acceleration when s = 125 m. Express your answer to three significant figures and include the appropriate units. ? a = 6.95 s2 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Figure < 1 of 1 Part B v (m/s) Determine its acceleration when s = 175 m. Express your answer to three significant figures and include the appropriate units. HA ? 50 a = - 37.5 s (m) 150 200 Submit Previous Answers Request Answer
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- Santa Claus' sleigh starts from rest and accelerates at a=30+20t, until its velocity is constant at 400 m/s. It then hits an iceberg and the equat ion of the acceleration is a = -0.003 until the velocity decreased to 100 m/s. 1. Compute the time the sleigh reaches v= 400 m/s a. 10s b. 15 s c. 25s d. 20 s 2. What is the total distance Santa Claus traveled? a. 1833.30m b.2757.50m c. 463.10m d. 2295.40 m 3. Compute the total time of travel. a.22.50s b.27.50s c.12.50s d.17.50sLiliana can paddle her kayak 7 miles per hour in still water. It takes her as long to paddle 12 miles upstream as it takes her to travel 16 miles downstream. Determine the speed of the river's current. Enter an equation with the following properties: 1. It uses the variable c to represent the speed of the river's current in miles per hour. 2. It uses the information as it is given above. 3. It can be solved to answer the question. Equation: How fast is the river's current? miles per hourTo 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
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- Consider the function x(t) = 23 - 3.2t describing the position of a carriage traveling along Kingsroad Highway. Note that x(t) is in meters and t is in seconds. Determine the speed of the vehicle at t = 5 seconds. a. 10.2 m/sb. 3.2 m/sc. 7.0 m/sd. 16 m/sPlease solve 13 and 14Part (a) What is its velocity after 23 seconds? Give your answer in m/s. Numeric : A numeric value is expected and not an expression. V = Part (b) How far has it gone in meters? Numeric : A numeric value is expected and not an expression. X =
- 3. A delivery truck drives North for 3 km, then turns East for 5 km, then turns North again for 4 km. Draw a diagram in part "a" to show the path the delivery truck took. a. What DISTANCE did the truck go? 12 b. What DISPLACEMENT did the truck have at the end of the trip? (length and direction)6. a) Describe the motion pictured by the v-vs.-t graph shown. v(m/s), + 6 7 H t(s) 4.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.