at the uppermost point of a projectile, its velocity and acceleration are at an angle of
At the uppermost point of a projectile, its velocity and acceleration are at an angle of 90 degrees.
Cevap: When a projectile reaches its highest point, also known as the apex, its velocity and acceleration are perpendicular to each other. This means that the angle between the velocity and acceleration vectors is 90 degrees.
Velocity is a vector quantity that represents the rate at which an object changes its position. At the highest point of a projectile’s trajectory, its velocity is zero since it momentarily stops moving horizontally. The vertical component of the velocity, however, is still present and is directed downward.
Acceleration, on the other hand, is the rate at which the velocity of an object changes. At the highest point of a projectile, its acceleration due to gravity is directed downward. This is because gravity is constantly pulling the object downward, causing it to accelerate in the vertical direction. The magnitude of the acceleration remains constant, but its direction changes continuously due to the changing position of the projectile.
Since the velocity and acceleration vectors are at right angles to each other at the highest point of a projectile, their angle of inclination is 90 degrees. This means they have no component in the same direction and are perpendicular to each other.