What are some errors made while doing measuring with a triple beam balance lab

Which of the following is a possible measurement of velocity? A. 25 m B. 25 m/s C. 25 m east D. 25 m/s east

A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-31 m/s) i and a second piece, also of mass m, moves with velocity (-31 m/s) j.

The human eye is about 24mm from the front to the back how long in seconds does it take light to travel this distance

John knows that the atomic number of the element Chlorine, Cl, is 17. He also knows that one particular isotope of chlorine has a mass of 35. How many neutrons can be found in the nucleus of this isotope of chlorine?

The Richter scale measures the __ of an earthquake.

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww