A ball is tossed up into the air with a velocity of 50 m/s. The figure to the left shows the position of the ball at equal time intervals on its upward travel. Answer the following questions regarding the instantaneous velocity and acceleration of the ball: a. The velocity of the ball has decreased from point B to point C.     (True/ False/ Insufficient Information) b.  Where does the ball have the smallest velocity?    (Position A/ PositionB/ Position C/ Position D/ Insufficient Information ) c. What is the direction of the acceleration of the ball at point A?    (Up/ Down/ There is no acceleration/ Insufficient Information ) d. The acceleration and velocity of the ball both are upwards at point A.   (True/ False/ Insufficient Information)

A motorcycle begins at rest at t0 = 0 seconds. The motorcycle starts moving, and eventually covers a distance d = 840 m, in a time tf = 189 s. In a coordinate system with north being the positive x-direction, the motorcycle's motion is in the northern direction (see figure). 1. What was the motorcycle's average velocity in in the northern direction vavg,N, in this period in meters per second?  2.  If the motorcycle's final velocity at tf was 12 m/s, what was the motorcycle's average acceleration in the northern direction, aavg,N, during this period in m/s2?

For a lab report, I have to answer these questions and am confused on how to get these answers from the graphs. The lab is on projectile motion and velocity. I basically threw a ball upwards and recorded its flight on tracker. The two pictures I attached show the vertical velocity by versus time and the horizontal velocity vx versus time. From the velocity vs. time graph(s) determine the acceleration of the ball independently for each component of the motion as a function of time.  What is the acceleration of the ball just after it is thrown, and just before it is caught or lands?  What is the magnitude of the ball’s acceleration at its highest point?  Is this value reasonable?  Determine the launch velocity of the ball from the velocity vs. time graphs in the x and y directions.  Is this value reasonable?  Determine the velocity of the ball at its highest point.  Is this value reasonable?

You decide to relax & play some basketball (m = 413g). You throw the ball from an initial height of 1.13m (represented by hA on the diagram). When it hits the net (which is 2.20m high), it has a speed of 7m/s. How fast was the ball going when it left your hand? hA = height of throw = 1.13m hB = height of net = 2.20m %3D