Who provided evidence for the excistenes of a nucleus in an atom

A car starts from rest and accelerates at 2.0 m/s2 for 10 seconds. What is the car's displacement at the end of 10 seconds?

With two blocks hanging from a pulley at opposite ends connected by a block in the middle. What is the tension between the left most block and the middle block?

Which category of materials does concrete belong to and why?

An irrigation channel has a rectangular cross section of 1.5 ft deep x 11 ft wide on the input side. On the far end of the channel, the channel expands to 6 ft wide while maintaining the same depth.

A 12 v battery produces a current of 6 amps. what is the resistance

The current through two identical light bulbs connected in a series is 0.25 amps. The voltage across both bulbs is 100 volts. Find the resistance of a single light bulb.

The Sun transfers light energy that is transformed into what kind of energy in plants?

The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz. A truck in front of this fire engine is moving northward at 20.0 m/s.

If an atom has 34 protons and 40 neutrons, what is the mass number?

The atomic mass of an atom (in amu) is equal to Question 11 options: A. the total number of its protons, neutrons, and electrons B. the total number of electrons C. the total number of protons D. the total number of its protons and neutrons E.