A child uses her hand to measure the width of a tabletop. Her hand has a width of 8.1 cm at its widest point, and she finds the table top to be 15.5 hands wide. What is the width of the tabletop in cm?

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that