Final Physics 213 1 You drive a car for 3.0 hr at 79 kn/h, the for another 3 hou

Question

Final Physics 213 1 You drive a car for 3.0 hr at 79 kn/h, the for another 3 hour at 27 a. What is your average velocity? A 53 n/s/sec B 53 km/hr C 53 kn/hr D 53 /hr/hr 2 What is the relationship described in the following graph? A Quadratic B inverse C linear A tourist aceiden tally dropa a eame ra tron a 25.0·bridge. wat is tee sped of the canera as it hits the water? A 22.1 n/s/s B 22.1 n/s C 25 n/s D 490 /s 4 A dog sits 1.95 m. from acceleration is 23.5 m/s/s, what is its linear speed? the center of a serry-go-round. If the dog's A 1.90 m/s B 3.61 m/s C 6.76 m/s D 9.45 m/s 5 A dolphin can swim 3.65 kn/hr. How far does the dolphin trave afeer 11.3? A 0.323 km B 3.09 kn 41 . 2 /hr D 41.2 kn 6 A hiker travels south along a straight path for 3.50 hr. witha avezage velocity of 0.750 km/hr, then south for 11.5hr vita as average reieity erhN km/hr. What is the hiker's total displacement for the trip? A 1.125 kn 2.45 3.58 10.7

Explanation / Answer

1.( 3*79+3*27)/6=53

2. linear

3.v2 =u2 +2as =0+2*9.81*25

v= 22.14m/s

4.v=(23.5*1.95)1/2 =6.76m/s

5.   3.65*11.3=41.2km

6. 3.5*0.75+11.5*0.7=10.7km

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