H =2V sin Btotal time of flight29te =R = * sin 20Range, maximum horizontal distance- time to return to the same level2) Activity 3: Skill-building ActivitiesDirections: Solve the following problems. Use the steps as guide.1. A boy on a 20-m high platform throws a ball at a distance of 5 m. At what speed is theball thrown? (See the diagram)5 т;20 m ; vertical distancehorizontal distanceSolution: Given : d =dy =Find : Vox (Vox = )20 m2dy%3DSince dy = 5 m, then we need to find the time t, yet from d, =gt2, or t =2 (20)sec.9.85 m5 mdxHence, Vox =_m/s%3D2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See thediagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level.Solution: Given:Vo =Vo sin 20)2 sin 20a) R =9.8 m/s2R =Vosin20)?sin2(b) H =2(9.8)2gH =102Vo sin e20)sin(R.c) t =9.8 m/s2t =14.0

Answered: Image /qna-images/answer/35502396-0153-4329-93ed-7d6de5eac88d.jpg

2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See the diagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level. Solution: Given: Vo = Vo sin 20 2sin 2( a) R= 9.8 m/s2 R = )2sin2L 2(9.8) Vo sin20 b) H = 2g %3D c) te 2Vo sin 0 20 ) sin( R. %3D 9.8 m/s2

2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See the diagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level. Solution: Given: Vo = Vo sin 20 2sin 2( a) R= 9.8 m/s2 R = )2sin2L 2(9.8) Vo sin20 b) H = 2g %3D c) te 2Vo sin 0 20 ) sin( R. %3D 9.8 m/s2

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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