Tarzan swings on a 39.0 m long vine initially inclined at an angle of 42.0° with the vertical. The acceleration of gravity if 9.81 m/s². What is his speed at the bottom of the swing if he a) starts from rest? 1. 13.1857 2. 13.0505 3. 12.0614 4. 10.5254 5. 14.0193 6. 9.61657 7. 11.598 8. 14.7207 9. 9.9037 10. 15.3563 Answer in units of m/s. b) pushes off with a speed of 4.00 m/s? 1. 13.9755 2. 13.4025 3. 13.0682 4. 13.7801 5. 14.5788 6. 12.8818 7. 12.5147 8. 17.6445 9. 17.3296 10. 14.2031 Answer in units of m/s.

On planet #2, you launch a projectile straight up from the ground at a speed of 28.5 m/s. The projectile reaches a maximum height of 66.2 m before falling back to the ground. What is the value of g for planet #2?     76.88 m/s^2     153.77 m/s^2     6.13 m/s^2     12.27 m/s^2

Can I get an explanation of this problem? Or done in a different method (I don’t understand how they got a lot it) thank you!!

Math Review e. Convert 48 miles per hour into m's™¹. f. Convert 3.056 yd² into m². (3 056 yet²) - (1 m) ² (10156 g. Convert 27.25 cm³ into L. 2 2.794 m² 8. A bushel of tomatoes weighs 53 pounds. What is the mass of 4.25 bushels of tomatoes in kilograms? 9. The original 1955 Ford Thunderbird was powered by a 292-in³ engine. What is this volume in liters? 10. A certain hybrid vehicle has a fuel economy of 53 mi/gal during city driving. What is this fuel economy in units of km/L? 11. The atmosphere exerts a pressure of approximately 4.7 lb/in² at the peak of Mount Everest. What is this pressure in units of kg/m²?