You throw a 7.0 kg bowling ball down the alley with a force of 5.0 N. After 2.0 seconds it accelerates to 2.4 m/s. What was its original velocity?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?