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- Report 1. From t = 0 to t = 3.44 min, a man stands still, and from t = 3.44 min to t = 6.88 min, he walks briskly in a straight line at a constant speed of 1.94 m/s. What is his average velocity vavg in the time interval 1.00 min to 4.44 min? O a. 1.940 m/s O b. 0.000 m/s O c. 0.970 m/s O d. 0.564 m/s1. A marathon runner runs with an average velocity of 2.4m/s. How long (in seconds) does it take for the runner to travel 74.7m? 2. An object that has been moving with a speed of 5m/s for 10s can have a zero displacement. YES OR NO?5. A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km. Finally, he rides east for 16 km, which takes 40 minutes. (a) What is the final displacement of the cyclist? (b) What is his average velocity?
- You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight path. What is your average speed for this whole journey? A. 1.38 m/s B. 2.14 m/s C. 1.74 m/s D. None of the other answers2. A California fox can run at a top velocity of 10 m/s. How long would it take a California fox to run 75 meters at top speeds?t=d/v%3D80M / 8m/s=10s 3. Alondra leaves her house at 10:30 to go jogging. She runs a half marathon (13.1 miles) and returns home at 1:00 pm. What was Alondra's average velocity for the trip? v=d/t t=2.5 v=d/t%3D13.1mi/2.5hr=5.24mi/hr 4. Alondra leaves her house at 10:30 to go jogging. She runs 12.5 and returns home at 1:00 pm. What was Alondra's average velocity for the trip?v=Dd/t t=2.5 5. Spongebob Squarepants is a surprisingly fast swimmer. Spongbob can swim at a velocity of 8.3 m/s. How much time would it take Spongebob to swim 1600 meters (about oneA football quarterback runs 11.5 m straight down the playing field in 2.42 s. He is then hit and pushed 2.75 m straight backward in 1.64 s. He breaks the tackle and runs straight forward another 23.1 m in 5.54 s. We assume the forward direction to be positive, and the backward position to be negative. Calculate his average velocity in m/s a. for each of the three intervals; b. for the entire motion. Hint a. His average velocities for each of the three intervals are o first interval v₁ = m/s Enter an integer or decimal number [more..] m/s o second interval v₂ = m/s othird interval v3 = b. His average velocity for the entire motion is v = m/s
- 5. An “L" train leaves the Washington station on the blue line starting from rest and accelerating at a constant acceleration of 1.35 m/s² for 16.0 s. It runs at a constant speed for 85.0 s and then slows down at a rate of 3.00 m/s? until it stops at the Grand station. What is the total distance traveled by the subway train?1.Leo traveled 25.0km from their house to a shopping mall to meet a friend .Upon reaching the mall,texted that he cannot come. Sadly,Leo went back home following the same path.(a)What was the total distance leo traveled?(b)what was his displacement?If the entire trip look Leo 0.75h,what were his (c) average speed and(d) average velocity?1. What maximum height, in meters, will be reached by a stone thrown vertically straight upward if it has initial speed of 18.65? 2. A brick was dropped from rest from a height of 16.8 m. How long does it take the brick to reach the ground (in seconds) ? note: Use acceleration due to gravity, g = 9.81 m/s2. 3. A car, starting from rest, accelerates in a straight-line path at a constant rate of 3.07 m/s2. How far will the car travel in 38.5 seconds? 4. A projectile is thrown from (##) = 8.1 meters above the ground. With initial velocity of 30 m/s and 20 degrees above the horizontal. Find the horizontal displacement, x. 5. A bird flew 641 km from Cebu to Manila with an average speed of 32.2 m/s. How long, in hours, did it take the bird to make this journey?
- 1. An airplane accelerates down a runway at 3.20m/s² for 32.8s until it finally lifts off the ground. Determine the distance traveled before takeoff. 2. What is the average velocity for an object if it travels 24.46m in 18.75s?I need help on this problem: You go south of your friend's house 150 miles away at 50.0 MPH. Your friend is not there so you return home, without spending any time there, at 30 MPH. What is your average speed. What is you average velocity?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 hour