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- 2. A cheetah moving in a constant acceleration covers the distance between two points 70.0m apart in 7.00s. Its speed as it passes the second point is 15.0m/s a. What is its speed at the first point? b. What is its acceleration?2. The velocity of a particle moving along a straight line is ve v=t? + 2t m/s, where t is in seconds. If its position s-0 when t-0, determine its acceleration and position when t=4s.3. A particle moves along a straight line with an acceleration of a = 3s m/s?. If at s-0m, the velocity v = 2m/s. Determine v at s = V20 m. Tho drinking fountain ic dorigned cuch that nozle is located 100mm from the edge of the
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- 8. GO An 18-year-old runner can complete a 10.0-km course with an average speed of 4.39 m/s. A 50-year-old runner can cover the same dis- tance with an average speed of 4.27 m/s. How much later (in seconds) should the younger runner start in order to finish the course at the same time as the older runner?IV. A stone dropped from a cliff hits the ground 3.00 slater. Assuming the acceleration due to gravity is 9.81m/s2 , finda. the velocity of the stone the instant before it hitsthe groundb. the displacement experienced by the stone init’s fall4. You attach a meter stick o an oak tree, such that the top of the meter stick is 2.27 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.241 seconds to pass the length of the meter stick, how high ho above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down?
- 2. Starting from rest, a particle moving in a straight line has an acceleration of a = (21 - 6) m/s?, where t is in seconds. What is the particle's velocity when t = 6 s, and what is its position when t = 11 s?1. You are driving at 8.00 m/s south. You accelerate uniformly at 1.10 m/s? north for 5.00 seconds. How fast are you going at the end of the 5.00 seconds? What is your displacement?1. A bus drives 40.0 km [E] from town A to town B, then another 30.0 km [S] to town C in a total time of 1.00h. What are the values of its average speed and average velocity, respectively?a. 70.0 km/h, 70.0 km/h [37º S of E] d. 50.0 km/h, 70.0 km/h [37º S of E]b. 70.0 km/h, 50.0 km/h [37º S of E] e. 50.0 km/h [37º S of E], 70.0 km/hc. 50.0 km/h, 50.0 km/h [37º S of E] 2. The acceleration due to gravity on Eartha. is the same at all locations on the surface of Earthb. is greater for heavier objectsc. is greater at the equator and less at the polesd. is the same at any two locations provided that the distance to the centre of Earth at thoselocations is the samee. varies slightly with latitude Plz do both