A 1.2 kg block has an initial speed of 0.75 m/s as it slides down a ramp at a point 0.40 m above a horizontal floor. Neglect friction and drag. What is the final speed of the block along the horizontal floor?
A. 2.0 m/s.
B. 2.7 m/s.
C. 2.8 m/s.
D. 2.9 m/s.
Answer:D
A 1.2 kg block has an initial speed of 0.75 m/s as it slides down a ramp at a point 0.40 m above a horizontal floor. Neglect friction and drag. What is the final speed of the block along the horizontal floor?
A. 2.0 m/s. B. 2.7 m/s. C. 2.8 m/s. D. 2.9 m/s.