physics
A rod of length 30.0 cm has linear density (mass-per-length) given by lambda = 50.0 g/m + 20.0 y g/m2 , where y is the distance from one end, measured in meters. (a) What is the mass of the rod? (b) How far from the y = 0 end is its center of mass?
hsa practice
=86 ok thank you i get it know
hsa practice
and where did you get 0.8?
hsa practice
how did you get 500 possible points?
hsa practice
high school assessment and thank you
hsa practice
Stephanie scored 88, 70, 84, and 72 on her first four science tests. What score does Stephanie need on her fifth science test to receive a mean score of 80? can you give me the steps to solve this im practicing for hsa
Statistics
What is the 135
Introduction of Psychology
When physical energy has resulted in a response in asense organ, it is clear that:
math
A steel strip, clamped at one end, vibrates with a frequency of 20 Hz and a amplitude of 5 mm at the free end, where a small mass of 2 g is positioned. Find (i) the velocity of the end when passing through the zero position, (ii) the acceleration at maximum displacement, (iii)...
help
a store does a display of 200 balls, he places them in the shape of a square pyramid. the bottom layer has 64 balls for each consecutive layer of balls, one ball is placed where 4 balls meet. how may layers will be in the pyramid? how many will be left over?
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