Homework Statement
A ball is thrown vertically upward with an initial speed of 11 m/s. One second
later, a stone is thrown vertically upward with an initial speed of 25 m/s. (a) Find
the time it takes the stone to catch up with the ball. (b) Find the velocities of the
stone and the ball...
Homework Statement
1) Two pieces of wood are glued together to form a long stick. The length of the
first piece is L1 = 0.97 ± 0.02 m, and the length of the second piece is
L2 =1.04 ± 0.01 m. What is the length (including uncertainty) of the stick?
2) An object of mass m = 2.3± 0.1...
Homework Statement
I have no idea how to calculate this:
Calculate the uncertainity (limit error) when you convert minutes to hours:
Minutes____Hours__
10.0 0.16
20.0 0.33
30.0 0.5
Homework Equations
They've given me like
Time Elapsed...
Homework Statement
An electron in a cathode ray tube of a TV set enters a region where it accelerates
uniformly from a speed of 3.5 × 104 m/s to a speed of 1.4 × 106 m/s in a distance
of 2.0 cm. (a) What is the acceleration of the electron in this region? (b) How
long is the electron in...
thanks for replying. I have no idea what to do or where to start for this question. I was baseing my answer from this website: http://www.ux1.eiu.edu/~cfadd/1350/Hmwk/Ch02/Ch2.html
if you scroll to the bottom its pretty much the same question but instead of 3.8 m/s its 4.0 m/s.
Any help...
Hey I don't want to loose points for this primary question, could someone please go over my answers. Thanks!
Homework Statement
1. Perform the following operations and write your answers with appropriate
number of significant figures: (a) 589.01−89.020 (b) 1.0×9.00 (c) 180 /pi
(d)...