9. The momentum of a car traveling in a straight line at 30. m/sec is 27,500 kg. m/sec. What is the car's mass?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)