Practice 20 questions on PHY11M1/PHG15M1 - General Physics 1 at Walter Sisulu University. Free AI-generated quiz on uNotes — track your score, retake anytime.
1A particle moving along the x-axis has a position defined by x = 6.0t^2 - 1.0t^3. At what position in meters is the particle when it reaches its maximum speed in the positive x direction?
2Based on the provided materials regarding Newton's Laws and friction, which of the following statements about kinetic friction are correct?
3An object is thrown vertically and reaches its maximum height. What is the initial launch speed in m/s if its upward velocity is 18 m/s when it is at one fourth of its maximum height?
4For an object moving in a vertical circular path, such as a pilot in a loop or a child on a Ferris wheel, which forces can contribute to the net centripetal force?
5A stone is thrown from the top of a 60-meter-tall building with an initial downward velocity of 20 m/s. How many seconds does it take for the stone to reach the ground?
6According to Newton's Second Law, which of the following describes the relationship between force, mass, and acceleration?
7Neglecting air resistance, what is the magnitude of the horizontal acceleration of a projectile in m/s^2 while it is in flight?
8Which variables determine the magnitude of the centripetal acceleration of a car moving through a circular dip in the road?
9A ball is thrown vertically upward with an initial speed of 20 m/s. What is the velocity of the ball in m/s when it reaches its maximum height?
10When a block slides down a rough inclined plane, which of the following factors influence the magnitude of its acceleration?
