Does adding a neutron to an atom's nucleus makes it an ion?

You push a 2.3 kg block against a horizontal spring, compressing the spring by 17 cm. then you release the block, and the spring sends it sliding across a tabletop. it stops 88 cm from where you released it. the spring constant is 200 n/m.

Which one is the best to measure a tree kilometers, millimeters, liters or meters?

Why is conserving energy resources not a simple problem with a simple solution?

What are some challenges of scuba diving

A charged sphere with 1 * 10 8 units of negative charge is brought near a neutral metal rod. The half of the rod closer to the sphere has a surplus charge of 4 * 10 4 units.

What are the average velocity and average acceleration of the tip of a 2.4 cm long hour hand of a clock?

What is the number one and most important rule to remember in soccer?

Why are convection currents; why are they hotter and colder parts of earth

A swimmer is swimming to the left with a speed of 1.0 m/s when she starts to speed up with constant acceleration. The swimmer reaches a final speed of 2.5 m/s over a distance of 5.0 m. How long did the swimmer take to speed up to 2.

An archer defending a castle is on a 15.5 m high wall. He shoots an arrow straight down at 22.8 m/s. How much time does it take to reach the ground?