A projectile is projected from the origin with a velocity of 10.0 m/s at an angle of 30.0 degrees above the horizontal. What is the velocity of the projectile 2.00 seconds later?
A. Vx = 8.7 m/s, Vy = -14.6 m/s
B. Vx = 14.6 m/s, Vy = -5.6 m/s
C. Vx = -8.7 m/s, Vy = -14.6 m/s
D. Vx = -14.6 m/s, Vy = 8.7 m/s
E. Vx = 5.6 m/s, Vy = -14.6 m/s
A. Vx = 8.7 m/s, Vy = -14.6 m/s
You might also like to view...
Gresham's Law says, at constant pressure and temperature, the diffusion rate for a gas molecule is
A) proportional to mass. B) proportional to the square root of the mass. C) inversely proportional to mass. D) inversely proportional to the square root of the mass.
It was the Chinese who provided critical ancient data on supernovae and comets
Indicate whether the statement is true or false
According to the law of reflection, the incident light ray, the reflected light ray, and the normal between them
A) lie in the same plane. B) may or may not lie in the same plane. C) lie in planes that are perpendicular to one another.
Which of the following has been the most important for maintaining the Earth's stable climate over the time it took for large organisms to evolve?
A) impacts of water-bearing planetesimals B) the ending of the heavy bombardment C) plate tectonics D) the tides E) deep sea volcanic vents