Δr1 = (600i − 230j) m, Δr2 = (420j) m, and Δr3 = (−285i + 137j) m. What is the displacement, in vector form?

An artillery shell is fired with an initial velocity of 300 m/s at 50.5° above the horizontal. To clear an avalanche, it explodes on a mountainside 49.0 s after firing. What are t...

When it orbited the Moon, the Apollo 11 spacecraft’s mass was 10300 kg, its period was 133 min, and its mean distance from the Moon’s center was 1.99345 × 106 m. Assume its or...