The direction is:
θ = tan^(-1)(-30.3 km / 37.5 km) = -38.3°
The acceleration of the block is 4.90 m/s^2. The direction is: θ = tan^(-1)(-30
F = mg * sin(30.0°)
R = √(37.5 km)^2 + (-30.3 km)^2 = 48.2 km The direction is: θ = tan^(-1)(-30
a = F / m = (mg * sin(30.0°)) / m = g * sin(30.0°) = 9.80 m/s^2 * 0.500 = 4.90 m/s^2
:
Using Newton's second law: