A book having 50 sheets of paper has a thickness of 0.5cm. What will be the thickness of a single sheet in mm

The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.