Physics, 13.03.2022 05:10, Loowkeychrissy7227
A light spring obeys Hooke's law. The spring's unstretched length is 34.0 cm. One end of the spring is attached to the top of a doorframe and a weight with mass 7.00 kg is hung from the other end. The final length of the spring is 44.5 cm. (a) Find its spring constant (in N/m).
Answers: 2
Physics, 22.06.2019 16:50, anaismami1
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
Physics, 22.06.2019 22:00, asherkbohannan
Which statement best explains why the overall charge on an atom is zero?
Answers: 1
Physics, 22.06.2019 23:30, china236
A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s
Answers: 1
Physics, 23.06.2019 01:00, lerasteidl
Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a. sample absorbance at 315nm a 0.45 b 0.80
Answers: 1
A light spring obeys Hooke's law. The spring's unstretched length is 34.0 cm. One end of the spring...
Mathematics, 24.06.2019 23:30
Mathematics, 24.06.2019 23:30
Mathematics, 24.06.2019 23:30
Mathematics, 24.06.2019 23:30
History, 24.06.2019 23:30