QUESTION 6A cannonball is shot at an angle of 340 above level ground. Another cannonball that is shot a given angle abovelevel ground has the same horizontal range as the first cannonball. What is the angle of elevation of the secondcannonball? (Neglect wind resistance.)a. The result depends on the relative masses of the cannonballs.b. 450C. 340 onlyd. 340and 560e. 560 only

Given, for cannon 1 the angle of elevation is 34o above ground level. Let R be the horizantal range.…

Answered: A cannonball is shot at an angle of 34°…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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85. A plane travels N30°W at 450 mph and encounters a wind blowing due west at 30 mph. (See Example 9) a. Express the velocity of the plane v, relative to the air in terms of i and j. b. Express the velocity of the wind vw in terms of i and j. c. Express the true velocity of the plane v, in terms of i and j and find the true speed of the plane.
1. Disregarding the ball's dimensions, calculate the magnitude Va of the initial velocity of the basketball and its velocity as it goes through the basket. A. How does neglecting the size of the ball affect the determination of the basketball's initial velocity? B. Can other factors, such as air resistance or spin, also be neglected when determining the magnitude of the basketball's initial velocity and its velocity through the basket?
A ball has an initial velocity of 160 m/s at an angle of 30 degrees horizontally. This means that the initial vertical velocity of 80m/s and its initial horizontal velocity is 139m/s. Find its position and velocity after 5 seconds. a. Horizontal Displacement b. Find the Vertical Displacement c. Horizontal and Vertical Component of Velocity
Hannah fires a potato from a cannon at the top of a 60.0 m high cliff with a velocity of 25 m/s [53° above horizontal]. a. Find the maximum height it can reach above the ground. b. Find the impact velocity.
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. The soccer ball is kicked at 33° from the edge of the building with an initial velocity of 19 m/s and lands 55 meters away from the wall. How tall, in meters, is the building that the child is standing on? y m 20
A dolphin wants to swim directly back to its home bay, which is 0.800 km due west. It can swim at a speed of 4.20 m/s relative to the water, but a uniform water current flows with speed 2.83 m/s in the southeast direction. a. What direction should the dolphin head? Enter the angle in degrees where positive indicates south of west and negative indicates north of west. anser in degrees b. How long does it take for the dolphin to swim the 0.800-km distance home? answer in min
An archer fish spies a meal of a grasshopper sitting on a long stalk of grass at the edge of the pond in which he is swimming. The fish is to successfully spit at and strike the grasshopper, which is 0.200 m away horizontally and 0.745 m above his mouth. a. What is the minimum speed at which the archer fish must spit? answer in m/s b. What angle (in degrees) above the horizontal must he spit? answer in degrees
7. A projectile is fired horizontally at 9 m/s from a 7.2 m high wall. a. Find its speed when it reaches the ground. b. At what angle does it hit the ground?
SITUATIONA projectile is fired to the right with a velocity of 50 m/s and inclined at an angle of 30o with the horizontal. Onesecond later another projectile 320 m away is fired to the left. The two projectiles collided at a point midway them. Compute the angle of projection of the second projectile.a. 23.14 c. 27.66b. 20.88 d. 24.54 Determine the initial velocity of the second projectile.a. 52.34 m/s c. 63.54 m/sb. 48.92 m/s d. 72.13 m/s Calculate the vertical distance of the point of collision of the projectiles.a. 25.41 m c. 30.75 mb. 28.57 m d. 34.52 m
If you throw a ball with an initial horizontal velocity of 20 m/s and an initial vertical velocity of 40 m/s. a. What will be the vertical displacement after 3 seconds? b. What will be the horizontal displacement after 3 seconds? c. What will be the vertical velocity after 3 seconds? d. What will be the horizontal velocity after 3 seconds?
. A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented50 degrees above the horizontal and the cannon’s barrel is 8.0m above the ground. Youwant to position a mat that will catch the cannon ball.a. Determine how much time the cannon ball will spend in flight.b. Draw a force diagram for three points during the cannon ball’s flight (1) while itis being shot from the cannon, (2) when it is at its maximum height, and (3) whenit is half-way between the maximum height and the mat.c. Determine the horizontal distance from the end of the barrel where you shouldplace the mat so that it will catch the ball.d. How fast is the cannon ball moving just before it hits the mat?
1.) A projectile is fired from the top of a cliff 100m high with a velocity of 450 m/s directed at 45 degrees to the horizontal. Based from this problem, wow high the projectile will rise? a. none b. 5,604.442m c. 4,840.246m d. 6,004.008m e. 5,160.550m 2.) Three forces, F1=2Ni+3Nj, F2=-10Nj and F3=3Ni+1Nj-5Nk, act on a particle. Find the net force on the particle. a. 5Ni−6Nj−5Nk b. 5Ni+6Nj+5Nk c. 5Ni+6Nj−5Nk d. 5Ni−6Nj+5Nk

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