Two baseballs are released at the same time. One is dropped from rest and the other is given an initial horizontal velocity. Which of the following is not true? Ignore atmospheric drag.
a. Both baseballs hit the ground at the same time.
b. Both have the same vertical component of velocity as they reach impact.
c. The horizontal component of velocity increases at a greater rate than the vertical component of velocity for both while they are both in the air.
d. The horizontally-released ball has a greater speed than the other ball for the whole trip.
Question 2
Two projectiles are launched at 100 m/s, the angle of elevation for the first being 30 and for the second, 60. Which of the following statements is false?
a. Both projectiles have the same acceleration while in flight.
b. The second projectile has the lower speed at maximum altitude.
c. Both projectiles have the same range.
d. All of the above statements are false.
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