Physics, 21.01.2020 23:31 vspink9962
Aflat dance floor of dimensions l(x) = 17m by l(y) = 19 m has a mass m = 1400 kg. use the bottom left corner of the dance floor as the origin. three dance couples, each of mass m = 110 kg start in the top left, top right, and bottom left corners.
part one:
a. what is the initial y coordinate of the center of gravity of the dance floor and three couples? answer in units of m.
part two
b. the couple in the bottom left corner moves 7.6 m to the right. what is the new x coordinate of the center of gravity? answer in units of m.
Answers: 3
Physics, 21.06.2019 22:20
The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?
Answers: 2
Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
Answers: 1
Physics, 23.06.2019 14:50
Avolleyball player’s hand applies a 39 n force while in contact with a volleyball for 2 seconds. what is the impulse on the ball? 20 n • s 37 n • s 41 n • s 78 n • s
Answers: 1
Aflat dance floor of dimensions l(x) = 17m by l(y) = 19 m has a mass m = 1400 kg. use the bottom lef...
Mathematics, 09.11.2020 17:50
History, 09.11.2020 17:50
Business, 09.11.2020 17:50
Computers and Technology, 09.11.2020 17:50
Mathematics, 09.11.2020 17:50
English, 09.11.2020 17:50
Mathematics, 09.11.2020 17:50
Mathematics, 09.11.2020 17:50
Mathematics, 09.11.2020 17:50
Physics, 09.11.2020 17:50