if you wait until you're 45 to begin investing, how much money will you need to invest, just to retirement, per year? why might this be difficult?

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?