I need help with number 10-12 7) To determine the height of a bridge above the...

Question

Question

I need help with number 10-12

Answer 1

Answer #1

米10)sol Hend

Sol: fd a s given by fomuloe reoetile, eximem beirght eached uhee 9e (angle of roo ection) to avity

Hmax (ú B) qs426 25) ml (.. Įsi,绁ナ@s

Answer 2

Similar Homework Help Questions

4) If a vector has components Ay>0, and Ay<0, then the angle that this vector makes...

4) If a vector has components Ay>0, and Ay<0, then the angle that this vector makes with the positivex-axis must be in the range A) 180° to 270° B) 270° to 360° C) 0° to 90° D) 90° to 180° E) cannot be determined without additional information 5) 5) When is the average velocity of an object equal to the instantaneous velocity? A) never B) only when the velocity is increasing at a constant rate C) only when the velocity...
I need clear drawings and explanations for problems 7 and 10. Please include visuals for both....

I need clear drawings and explanations for problems 7 and 10. Please include visuals for both. 7) A stone is thrown with an initial speed of 15 m/s af an angle of 53° above the horizontal from the top of a 35 m building. If g 9.8 m/s? and air resistance is negligible, then what is the speed of the rock as it hits ground? a. 15 m/s b. 21 m/s c.) 30 m/s 36 m/s k star in the...
Q7. There are four equal vectors as shown below Which one of following is correct about...

Q7. There are four equal vectors as shown below Which one of following is correct about the resultant vector? B. A. D. E. Both B an D Q8. Ifa vector A has components Ay-O, and Ay c 0, then the angle that this vector makes with the positive x-axis must be in the range A) 0 to 90 D) 270 to 360 E) Cannot be determined without additional information B) 90 to 180 C) 180° to 270 09. A box...

Q7. There are four equal vectors as shown below Which one of following is correct about...

Q7. There are four equal vectors as shown below Which one of following is correct about the resultant vector? B. A. D. E. Both B an D 08. fa vector A bas components Av -0 and Ay c0 thes the angle that this vector makes with che positive x-axis must be in the range A) 0P to 90 B)90 to 180 D) 270° to 360 E) Cannot be determined without additional information C) 180° to 270 09. A box of...
1. A hiker begins her trip away from her car by first walking 35.0 km west....

1. A hiker begins her trip away from her car by first walking 35.0 km west. She stops and sets up her tent for the night. On the second day, she walks 22.0 km in a direction that makes an angle of 33.0° south of west, at which point she discovers a forest ranger's tower. Determine the magnitude of her total ment. km 2. A vector A has a magnitude of 60.0 m and points in a direction 28.0° above...
Question 3 (1 point) Talula is standing on a bridge over the Credit River. She throws...

Question 3 (1 point) Talula is standing on a bridge over the Credit River. She throws a rock from a height of 84.5 m above the water. The rock is thrown with a velocity of 0.0356 km/s at an angle of elevation of 350 What is the horizontal velocity of the rock 3 s after it is thrown? Give your answer in metres/second. al 11.32 b) 5.28 Od 29.16 0 0.02014 el 0.0291 On 20.14 Question 414

1. A hiker begins her trip away from her car by first walking 30.0 km west....

1. A hiker begins her trip away from her car by first walking 30.0 km west. She stops and sets up her tent for the night. On the second day, she walks 20.0 km in a direction that makes an angle of 35.0 north of west, at which point she discovers a forest ranger's tower. Determine the magnitude of her total displacement km 2. A vector A has a magnitude of 50.0 m and points in a direction 28.0° above...
Please help! A fish swimming in a horizontal plane has velocity v = (4.00 i +...

Please help! A fish swimming in a horizontal plane has velocity v = (4.00 i + 1.00 j) m/s at a point in the ocean where the position relative to a certain rock is ri = (16.0-4.20 j) m. After the fish swims with constant acceleration for 19.0 s, its velocity is V (15.0 1-3.00 j) m/s. (a) What are the components of the acceleration of the fish? m/s m/s (b) What is the direction of its acceleration with respect...
Q2. A) Projectile motion (General launch angle): Select any one of the options as answer A...

Q2. A) Projectile motion (General launch angle): Select any one of the options as answer A football kicker is attempting a field goal from 44 m out. The ball is kicked and just clears the lower bar with a time of flight of 2.9 s. If the angle of the kick was 45°, what was the initial speed(Vo) of the ball, assuming no air resistance? a) 21.5 m/s b) 19.7 m/s c) 2.2 m/s d) 39 m/s (Hint: x-Xo =...

please i need help asap Problem 1 The acceleration of a particle moving only on a...

please i need help asap Problem 1 The acceleration of a particle moving only on a horizontal xy plane is given by a=3ti+4tj, where a is in meters per seconds squared and t is in seconds, at t=0, the position vector r=(20.0m)i+(40.0m)j locates the particles, which then has the velocity vector v=(5.00m/s)i+(2.00m's)j. at t=4.00s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?...