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- 1. Jack drives a distance of 160 miles at an average speed of 35 miles/hr, followed by a distance of 190 miles at 75 miles/hr. What is his average speed over the 350-mile trip? Hint: Draw a labeled sketch of the trip. V avg miles per hourDwight decides to race around the perimeter of the Scranton business parkin an effort to beat another employee’s best running time. Assuming heruns with an average velocity of 10 ft/s, and he completes 4 laps in 5minutes,a. What is the perimeter of the business park in feet?b. In meters?( 1 ft = 0.3048 m )A truck travels with a speed of 59 mi/h. This speed in S.I. units is (Given 1 mile = 1.609 km) O a. 212.40 m/s O b. 26.37 m/s O c. 132.01 m/s O d. 16.39 m/s
- Question 2 A car is travelling with a speed of 95 km/h. This speed in S.I. units is Not yet answered O a. 26.39 m/s Marked out of b. 42.46 m/s 1.00 O c. 342.00 m/s P Flag question O d. 212.55 m/s13. Find the time (Seconds)needed for a car to go from 25m/s to 55 m//s with an acceleration of 1.4 m/s^2? 12. You are driving home from at 85.0 km/h for 130. km, then you slowed down to 70.0 km/h. You arrived home after driving 3.00 hours and 10.0 minutes. What was your average speed in mete/h?1. Gabby went walking at a distance of 200 m in 20 s. Whar was the Gabby's average speed? a. Given: b. What to find? c. Formula: d. Solving: e. Final Answer: 2. What is Sandra's average velocity if her position changes from 25 west to 40m west during a 10s time interval? a. Given: b. What to find? c. Formula: d. Solving: e. Final Answer: 3. Find the average acceleration of a northbound subway train that slows down from 12m/s to 9.6m/s in 0.8s.
- 4. A bicycle travels 12 kilometers in 40 minutes. Its average speed is _______. a. 8 km/hr b. 48 km/hr c. 18 km/hr d. 0.3 km/hr Explanation and solutionA ball dropped from a height of 30 cm, takes 0.6067 s to reach the ground. What is the acceleration due to gravity (g) at that place in S.I. units ? Select one: O a. 163 O b. 1.63 Oc. 9.8 O d. 0.988 The time of fall (t) of a free falling object is directly proportional to the height (h)A bus travels with a speed of 75 mi/h. This speed in S.l. units is (Given 1 mile = 1.609 km) O a. 20.83 m/s O b. 270.00 m/s O C. 33.52 m/s O d. 167.81 m/s
- 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.17.50sAn airplane accelerates from rest, down a runway at 3.4 m/s² for 26.1 s until is finally lifts off the ground. The distance traveled by the airplane before the takeoff is O a. 0 m O b. 2316.11 m O c. 1158.06 m O d. 44.37 mThe speed of a Vehicle is 114 km/h. How much is this speed in S.I. units? a. 255.07 m/s O b. 410.40 m/s O c. 50.95 m/s O d. 31.67 m/s