A child’s toy rake is held so that its resistance length is 0.85 meters. If the mechanical advantage is 0.43, what is the effort distance?

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?

In what direction does an applied force move an object

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?