A ship fires its guns with a speed of 400 m/s at an angle of 35° with the horizontal Find the range and maximum altitude.

What is the length x of the side of the triangle below? (hint: use the cosine function)

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

The energy equivalent of the rest mass of an electron is