Please answer #18 please 12.0 m/s for 1.20 min and then coastsdown in a canyon. The friend caught it21.2 s later. If the total distance traveledis 1321 m, then what is the accelerationthe rock have a velocity of 48 m/s toward3.00 m above the water. A diving instruc-18. A hiker tossed a water bottle to a friend19. A rock is thrown upward with a speed ofAdditional Problems17. A Cyclist rides at a constant speed of11. The v-t graph of a car is shown in the accom-panying figure. What is the displacementof the car from t = 0.00 s to t= 15.0 s?to a stop with uniform accelerationaboaqor o Ramo otomwhile the bike coasts to a stop?30.015.0 E4.78 s later. What is the height of thed or orlt tol lecanyon?0.008.0016.0026 m/s. How long after it is thrown wi4.0012.00Time (s)baog adrai Wsonsteiasthe ground?20. The high-dive board at most pools is-15.0io bolls sifaldigilgon at DS|dodiiw gnivom aisu A .812. Suppose a car rolls down a 52.0-m-longinclined parking lot and is stopped by afence. If it took the car 11.25 s to rolldown the hill, what was the accelerationof the car before striking the fence? .e13. A sky diver in free fall reaches a speed of65.2 m/s when she opens her parachute.The parachute quickly slows her down to7.30 m/s at a constant rate of 29.4 m/s2.During this period of acceleration, how-30.0 Ftor dives off the board and strikes thwater 1.18 s later,a. What was the initial velocity of thediver?b. How high above the board did thediver rise?mitChapter 4 0VET 1adi l1. Draw a free-body diagram for the spaceshuttle just after it leaves the ground.Identify the forces acting on the shuttle.Make sure that you do not neglect airmo resistance. Also be sure that you indicatethe direction of the acceleration, as wellas the net force.mon TO , ligt intig2. Draw a free-body diagram for a goldfishthat is motionless in the middle of a fish-bowl. Identify the forces acting on thefish. Indicate the direction of the net forceon the fish and the direction of the accel-eration of the fish.ow JsdvW2far does she fall?14. A child rolls a ball up a hill at 3.24 m/s.If the ball experiences an acceleration of2.32 m/s², how long will it take for theball to have a velocity of 1.23 m/s downthe hill?15. A cheetah can accelerate from rest to aspeed of 27.8 m/s in 5.20 s. The cheetahcan maintain this speed for 9.70 s beforeit quickly runs out of energy and stops.What distance does the cheetah coverduring this 14.9-s run?16. A cab driver in a hurry is sitting at a redlight. When the light turns green she rap-0. idly accelerates for 3.50 s at 6.80 m/s².di noe\m 0. 16 cngb iniThe next light is still red. She then slamson the brakes, accelerating at a rate of16-9.60 m/s² before coming to rest at thestop light. What was her total distance forthis trip?081 lo sonleaisvos bnsbnuojt im oid l160 lo- /Appendix BAppendix BVelocity (m/s)

Question

Accepted Answer

Given data: 
The water bottle tossed down in a canyon
Initial velocity (v0) = 0 m/s
Time (t) = 4.78…

friend 4.78 s later. What is the height of the down in a canyon. The friend caught it A hiker tossed a water bottle to a canyon?