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.°

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.°

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University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2.10CYU: Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by...

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Projectile Motion

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help with these three questions

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?

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