A projectile is launched with an initial velocity of 20 m/s at an angle of 30°. The horizontal component of its velocity is:
a) 10 m/s
b) 20 m/s
c) 17.32 m/s
d) 5 m/s
The time it takes for a projectile to reach the maximum height is:
a) Equal to the time it takes to come back down
b) Half of the total flight time
c) Equal to the total flight time
d) Dependent on the initial velocity only
For an object moving in two dimensions under constant acceleration, which of the following components of motion are independent?
a) Vertical and horizontal components
b) Horizontal and vertical accelerations
c) Initial velocities in both directions
d) None of the above
The path followed by a projectile is called:
a) Parabolic trajectory
b) Circular path
c) Elliptical trajectory
d) Hyperbolic path
The vertical component of a projectile’s velocity is affected by:
a) Gravity
b) Air resistance
c) Time
d) Initial horizontal velocity
In projectile motion, the acceleration in the horizontal direction is:
a) Zero
b) Equal to gravity
c) Constant and downward
d) Increasing with time
The horizontal velocity of a projectile:
a) Increases with time
b) Decreases with time
c) Remains constant
d) Becomes zero at the peak of the trajectory
In two-dimensional motion, the object’s speed is:
a) The same in both directions
b) The sum of the horizontal and vertical components of velocity
c) The product of the horizontal and vertical components of velocity
d) Equal to the horizontal component of velocity
What is the time of flight for a projectile launched at an angle of 45° with an initial velocity of 20 m/s?
a) 4 s
b) 2.5 s
c) 5 s
d) 1.5 s
If the range of a projectile is 100 m, and the angle of launch is 45°, what is the initial velocity?
a) 25 m/s
b) 30 m/s
c) 20 m/s
d) 40 m/s
What is the maximum height reached by a projectile launched with an initial speed of 25 m/s at an angle of 60°?
a) 25 m
b) 50 m
c) 60 m
d) 75 m
The horizontal range of a projectile depends on:
a) The initial velocity
b) The angle of launch
c) The acceleration due to gravity
d) All of the above
The angle of launch that gives the maximum range for a projectile in ideal conditions is:
a) 90°
b) 45°
c) 60°
d) 30°
In projectile motion, the time taken to reach the maximum height depends on:
a) Initial velocity
b) Angle of launch
c) Both initial velocity and angle
d) Gravity
The velocity of a projectile at its highest point is:
a) Zero
b) Maximum
c) Horizontal
d) Vertical
The horizontal velocity of a projectile at any point is:
a) Zero
b) Constant
c) Increasing
d) Decreasing
If a projectile is launched at a higher angle, what happens to the time of flight?
a) It decreases
b) It increases
c) It stays the same
d) It becomes zero
For a projectile launched with an initial speed of 30 m/s at 60°, what is the vertical component of velocity?
a) 30 m/s
b) 15 m/s
c) 25 m/s
d) 20 m/s
What is the acceleration of a projectile at its highest point?
a) Zero
b) Equal to the gravitational acceleration
c) Decreasing
d) Increasing
If the initial speed of a projectile is 50 m/s and the angle of launch is 30°, what is the horizontal component of velocity?
a) 25 m/s
b) 43.3 m/s
c) 50 m/s
d) 35 m/s
The range of a projectile is zero if the angle of launch is:
a) 45°
b) 90°
c) 0°
d) 180°
The equation of motion for a projectile in the vertical direction is:
a) x = v0 * t
b) y = v0 * t – 1/2 * g * t²
c) y = v0 * t
d) x = 1/2 * g * t²
For projectile motion, the trajectory of the object is:
a) A straight line
b) A parabola
c) A hyperbola
d) A circle
The time of flight of a projectile is directly proportional to:
a) The square of the initial velocity
b) The initial velocity
c) The square of the launch angle
d) The height of launch
Which of the following is true for a projectile launched at an angle of 45°?
a) The vertical and horizontal components of velocity are equal
b) The range is less than the maximum range
c) The projectile’s trajectory is circular
d) The maximum height equals the range
The velocity of a projectile at the highest point of its trajectory is:
a) Only horizontal
b) Zero
c) Only vertical
d) The sum of horizontal and vertical components
The maximum height of a projectile launched at 45° depends on:
a) Its initial speed
b) Its launch angle
c) The acceleration due to gravity
d) All of the above
In projectile motion, the range increases with:
a) Increased initial speed
b) Increased launch angle
c) Decreased launch angle
d) Decreased initial speed
The time taken for a projectile to reach the ground is independent of:
a) Initial velocity
b) Launch angle
c) Height of launch
d) Gravity
The horizontal velocity of a projectile is determined by:
a) The vertical motion
b) The time of flight
c) The acceleration due to gravity
d) The initial speed and launch angle
The launch angle that maximizes the horizontal range for a projectile is:
a) 30°
b) 45°
c) 60°
d) 90°
At the peak of its trajectory, a projectile has:
a) No velocity
b) Zero acceleration
c) Zero vertical velocity
d) No horizontal velocity
