Answers: 1
Physics, 22.06.2019 17:30
Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=
Answers: 2
Physics, 22.06.2019 19:00
What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
Answers: 3
Physics, 22.06.2019 21:10
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2
Answers: 2
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
Which of the following is a factor that determines the composition of magma?
a. color
...
a. color
...
Social Studies, 11.01.2021 19:10
Spanish, 11.01.2021 19:10
History, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Physics, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
English, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Biology, 11.01.2021 19:10
Mathematics, 11.01.2021 19:10
Biology, 11.01.2021 19:10