83. The path of a projectile fired at an angle of 30.° above the horizontal is best described as (1) parabolic (2) linear (3) circular (4) hyperbolic 84. A projectile is fired with velocity of 150. meters per second at an angle of 30.° above the horizontal. Calculate the magnitude of the horizontal component of the velocity at the time the projectile is fired. 85. Projectile A is fired with velocity v at an angle of 30.° above the horizontal. Projectile B is fired with velocity v at an angle of 40.° above the horizontal. Compared to the magnitude of the horizontal component of v at the time projectile A is fired, the magnitude of the horizontal component of v at the time projectile B is fired is (2) larger (1) smaller (3) the same 86. A projectile is launched at an angle of 60.° above the horizontal. Compared to the vertical component of the initial velocity of the projectile, the vertical component of the projectile's velocity when it has reached its maximum height is (1) smaller (2) larger (3) the same 87. A projectile is launched at an angle of 30.° above the horizontal. Neglecting air resistance, what are the projectile's horizontal and vertical accelerations when it reaches its maximum height?
83. The path of a projectile fired at an angle of 30.° above the horizontal is best described as (1) parabolic (2) linear (3) circular (4) hyperbolic 84. A projectile is fired with velocity of 150. meters per second at an angle of 30.° above the horizontal. Calculate the magnitude of the horizontal component of the velocity at the time the projectile is fired. 85. Projectile A is fired with velocity v at an angle of 30.° above the horizontal. Projectile B is fired with velocity v at an angle of 40.° above the horizontal. Compared to the magnitude of the horizontal component of v at the time projectile A is fired, the magnitude of the horizontal component of v at the time projectile B is fired is (2) larger (1) smaller (3) the same 86. A projectile is launched at an angle of 60.° above the horizontal. Compared to the vertical component of the initial velocity of the projectile, the vertical component of the projectile's velocity when it has reached its maximum height is (1) smaller (2) larger (3) the same 87. A projectile is launched at an angle of 30.° above the horizontal. Neglecting air resistance, what are the projectile's horizontal and vertical accelerations when it reaches its maximum height?
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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please help with 83,84,85,86 and 87 please please altogether i’m begging
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