A ball is pushed with an initial velocity of 4.0 m/s. The ball rolls down a hill with a constant acceleration of 1.7 m/s2 . The ball reaches the bottom of the hill in 7.0 s. What is the ball's velocity at the bottom of the hill?
a. 15 m/s
b. 13 m/s
c. 14 m/s
d. 16 m/s
e. 19 m/s
Question 2
A strobe photograph of a car moving along a straight road shows the interval between each successive image to be diminishing. If the direction of motion of the car is taken as positive, which of the following is/are negative?
a. the speed of the car
b. the average velocity of the car
c. the average acceleration of the car
d. all of the above
The Speed of Light Is Constant
Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ...
Reaction 1: The Initial Dehydrogenation
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Write equilibrium constant expressions for the following reactions in terms of concentration:
Write equilibrium constant expressions for the following reactions in terms of concentration: