Respond to the following based on your reading.
m
1. what amount of work is done when a force of 50 n is used to drag an object a distance of 20
meters across a floor?
i
2. what's the kinetic energy of an object that has a mass of 12 kilograms and moves with a velocity
of 10 m/s?
3. a skateboarder is inside
of a half-pipe, shown here.
explain her energy
transformations as she
jumps off at point a, slides
to point b, and finally
reaches point c
g
4. if the skateboarder
continues going back and
forth on the half-pipe she'll

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y