the Olympic flame at the 1992 Barcelona Olympic was lit by a flaming arrow shot from a point located 60 meter horizontally and 24 meter vertically from the flame. find the initial speed necessary for the arrow to reach the at the peak of its trajectory?

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

In science and physics what is the standard unit of measure for speed?