Abullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20×105m/s2 for 8.10×10-4s. what is its muzzle velocity (that is, its final velocity)?

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating. part a what is the distance between the first-order red and blue fringes? express your answer to two significant figures and include the appropriate units.

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

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest