wo archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. One shoots at 43.0 ° above the horizontal, while the other shoots at 60.0 For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A home-run hit. Part A If the arrow launched at 43.0 ° lands 210 m from the archer, how far apart are the two arrows when they land? (You can assume that the arrows start at essentially ground level.) Express your answer in meters. ■% AX中 ΑΣφ ? %3D Submit Request Answer

wo archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. One shoots at 43.0 ° above the horizontal, while the other shoots at 60.0 For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A home-run hit. Part A If the arrow launched at 43.0 ° lands 210 m from the archer, how far apart are the two arrows when they land? (You can assume that the arrows start at essentially ground level.) Express your answer in meters. ■% AX中 ΑΣφ ? %3D Submit Request Answer

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: Motion In Two Dimensions

Section: Chapter Questions

Problem 4.65AP: A catapult launches a rocket at an angle of 53.0 above the horizontal with an initial speed of 100...

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You can use any coordinate system you like to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle with respect to the horizontal. Let the building be 50.0 m tall, the initial horizontal velocity be 9.00 m/s, and the initial vertical velocity be 12.0 m/s. Choose your coordinates such that the positive y-axis is upward, the x-axis is to the right, and the origin is at the point where the ball is released, (a) With these choices, find the balls maximum height above the ground and the time it takes to reach the maximum height. (b) Repeat your calculations choosing the origin at the base of the building.
You can use any coordinate system you like to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle with respect to the horizontal. Let the building be 50.0 m tall, the initial horizontal velocity be 9.00 m/s, and the initial vertical velocity be 12.0 m/s. Choose your coordinates such that the positive y-axis is upward, the x-axis is to the right, and the origin is at the point where the ball is released, (a) With these choices, find the balls maximum height above the ground and the time it takes to reach the maximum height. (b) Repeat your calculations choosing the origin at the base of the building.
A father demonstrates projectile motion to his children by placing a pea on his forks handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 8.25 m/s at an angle of 75.0 above the table. With what speed does the pea strike the ceiling 2.00 in above the table?
A rocket is launched at an angle of 53.0 above the horizontal with an initial speed of 100. m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 30.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find (a) the maximum altitude reached by the rocket, (b) its total time of flight, and (c) its horizontal range.
4) A person simultaneously throws two objects into the air (object A and object B). Objects are thrown with the same speed, different angles and move along different parabolic trajectories as shown in the image. Which of the 2 objects reaches the ground first? Answers: a) object A reaches the floor first b) object B reaches the floor first c) A and B reach the floor at the same time d) either of the 2 can arrive first e) cannot be predicted
A cannonball is shot with an initial speed of 30.0 m/s and 25.0º angle above horizontal from a height of 12.0 m. How far can the cannonball go horizontally when it lands on the ground, in meters? Use g = 10.0 m/s2. (Hint: Clearly label quantities along x- and y- components and write down all steps.)
Use a graphing utility to obtain the path of a projectile launched from the ground (h = 0) at the specified values of θ = 35°, v0 = 300 feet per second. In the exercise, use the graph to determine the maximum height and the time at which the projectile reaches its maximum height. Also use the graph to determine the range of the projectile and the time it hits the ground. Round all answers to the nearest tenth.
Mayan kings and many school sports teams are named or the puma, cougar, or mountain lion—Felis concolor— the best jumper among animals. It can jump to a height of 12.0 ft when leaving the ground at an angle of 45.0 degrees . With what speed, in SI units, does it leave the ground to makethis leap? Answer : 12.0 m/s
A catapult launches a rocket at an angle of 53.0 above the horizontal with an initial speed of 100 m/s. The rocket engine immediately starts a burn, and for 3.00 s the rocket moves along its initial line of motion with an acceleration of 30.0 m/s2. Then its engine fails, and the rocket proceeds to move in free fall. Find (a) the maximum altitude reached by the rocket, (b) its total time of flight, and (c) its horizontal range.
The vector position of a particle varies in time according to the expression r=3.00i6.00t2j, where r is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (b) Determine the acceleration of the particle as a function of time. (c) Calculate the particles position and velocity at t = 1.00 s.
Give a specific example of a vector, stating its magnitude, units, and direction.
A World War II bomber flies horizontally over level terrain with a speed of 275 m/s relative to the ground and at an altitude of 3.00 km The bombardier releases one bomb. (a) How far does the bomb travel horizontally between it release and its impact on the ground? Ignore the effects of air resistance. (b) The pilot maintains the planes original course, altitude, and speed through a storm of flak. Where is the plane when the bomb hits the ground? (c) The bomb hits the target seen in the telescopic bombsight at the moment of the bombs release. At what angle from tin- vertical was the bombsight set?