At one instant a heavy object in air is moving upward at 50 meters per second. One second later its speed is approximately
A) 40 m/s.
B) 50 m/s.
C) 55 m/s.
D) 60 m/s.
Answer: A
At one instant a heavy object in air is moving upward at 50 meters per second. One second later its speed is approximately
A) 40 m/s.
B) 50 m/s.
C) 55 m/s.
D) 60 m/s.
Answer: A