A net force accelerates a 60 kilogram cart at a rate of 0.5 m/s². What is the magnitude of the force?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.

Preciso de ajuda na parte de termometria e tenho prova amanhã ajuda ae prf