Name: Period: 4. An object is shot 50 m/s at an angle of 70°. How high does it go? A. Use trigonometry to calculate the initial x and y velocities of the object. y-dir. x-dir. Ấy Ax B. Fill in the x and y variables. C. Calculate how high the object rises. 50 m/s 70° I| ||

Name: Period: 4. An object is shot 50 m/s at an angle of 70°. How high does it go? A. Use trigonometry to calculate the initial x and y velocities of the object. y-dir. x-dir. Ấy Ax B. Fill in the x and y variables. C. Calculate how high the object rises. 50 m/s 70° I| ||

Name: Name:Period:4. An object is shot 50 m/s at an angle of 70°.How high d
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Description: Name:Period:4. An object is shot 50 m/s at an angle of 70°.How high does it go?A. Use trigonometry to calculate the initialx and y velocities of the object.y-dir.x-dir.ẤyAxB. Fill in the x and y variables.C. Calculate how high the object rises.50 m/

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 16P: A snow-covered ski slope makes an angle of 35.0 with the horizontal. When a ski jumper plummets onto...

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A snow-covered ski slope makes an angle of 35.0 with the horizontal. When a ski jumper plummets onto the hill, a parcel of splashed snow is thrown up to a maximum displacement of 1.50 m at 16.0 from the vertical in the uphill direction as shown in Figure P3.16. Find the components of its maximum displacement (a) parallel to the surface and (b) perpendicular to the surface. Figure P3.16
Find the following for path A in Figure 3.54: (a) the total distance traveled, and (b) the magnitude and direction of the displacement from start to finish.
(a) Repeat the problem two problems prior, but for the second leg you walk 20.0 m in a direction 40.0° north of east (which is equivalent to subtracting B from A that is, to finding R=AB ). (b) Repeat the problem two problems prior, but now you first walk 20.0 m in a direction 40.0° south of west and then 12.0 m in a direction 20.0° east of south (which is equivalent to subtracting A from B that is, to finding R=BA=R ). Show that this is the case.
Find the following for path B in Figure 3.54: (a) the total distance traveled, and (b) the magnitude and direction of the displacement from start to finish.
A ball is thrown at an initial height of 65 feet at an initial velocity of 75 feet/second at an angle of 65 degrees. Given the parametric equations yY = - - 16t + Vo · Sin(0)t + ho and x = Vo Cos(0)t. When doing calculations, carry 5 digits of accuracy, so your round off does not build up. a. What is the ball's height in 3 seconds? feet. seconds. b. When will the object hit the ground? feet. c. How far horizontally will the ball be when it hits the ground? seconds. d. When will the ball be at its maximum height? e. What is the ball's maximum height? feet. feet f. How far horizontally will the ball be when it reaches its maximum height?
1. A projectile is thrown with a speed of 100 ft/s in a direction 30 degrees above the horizontal. Illustrate the projectile motion and answer the following: a. How many feet will it rise? b. How many feet will the maximum horizontal displacement be?
15. A ball is hit upward with an initial velocity of 128 feet per second. After t seconds, its height h(t) is given by the function h(t) = -16t?+128t+4. What is the maximum height in feet of the ball? a. 268 feet b. 256 feet C. 264 feet d. 260 feet
A firework is launched with an initial velocity of 25 m/s at an angle of 60 degrees with respect to the horizontal. a. The peak height of the firework, right before explosion.b. The vertical component of the firework’s velocity, as it reaches the peak of its motion and explodes.c. The horizontal distance traveled by the firework, just as it reaches the peak of its motion and explodes.
Determine the magnitude and direction of: R = Ã + B + č if: Ā = (3î – 35)m, B = (î – 4j)m, and Č = (-2î + 5j) O A. 2.23 m at 0 = 315° O B. 2.83 m at 0 = 3350 O C. 2.33 m at 0 = 325° O D. 2.83 m at 0 = 3150
Which of the following are TRUE? Choose only two (2). Select one or more: a. The range is inversely proportional to the sine of twice the launch angle. b. At constant initial velocity, as the launch angle increases, range also increases. c. The range is directly proportional to the sine of twice the launch angle. d. At constant initial velocity, for launch angles less than 45°, range increases as launch angles increases. For angles greater than 45°, range decreases as launch angles increases. e. At constant initial velocity, as the launch angle increases, range decreases.
5. An object is launched 15 m/s horizontally. A. Fill in the variables for the object. B. Solve for time in the y-direction. C. Since the x-direction is constant speed, solve for Ax.
4. An object is projected with a speed of 28.0 m/s at an angle of 60 degrees to the horizontal. (a) Find 1. The horizontal displacement. 2 The vertical displacement. 3. The magnitude and direction of the velocity after 2.0 s. (b) Determine 1. The time taken to reach the greatest height. 2. The greatest height reached.