The permissible truck pressure on the asphalt surface is 50MPa. One wheel of the machine touches the paved road surface with an area of ​​10 cm2. What is the maximum load on the car?

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=