Kels

A spring has a spring constant of 42 N/m. How much work is required to stretch the spring 1.5 cm from its equilibrium position?

A student has six textbooks, each with a thickness of 4.0 cm and a weight of 30 N. What is the minimum work the student would have to do to place all the books in a single vertical stack, starting with all the books on the surface of the table?

A person in a lighthouse notices two boats out on the ocean. The angle of depression to the further boat is 20 degrees while the angle of depression to the closer boat is 75 degrees. What is the distance between the two boats if the observer in the lighth...

Which of the following is a weak base? ammonia ethyl alcohol vinegar potassium hydroxide <my choice

A solution has a hydrogen ion (or hydronium) concentration of 3.16 X 10-8 M. What is the pH of the solution? 7.5 8.5 <my choice 8.0 7.0

Which of these is equivalent to 3π/5 rad ? A) 108° B) 150° C) 216° **my answer D) 300°

If the arc length of a sector in the unit circle is 3π/2 what is the measure of the angle of the sector? 0 radians π/2 radians <my choice π radians 3π/2 radians

Why do you multiply by .5?

I've read the play but never seen it performed. and hmm okay i think i see