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?

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please help with 83,84,85,86 and 87 please please altogether i’m begging
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?
Transcribed Image Text: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?
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