Physics, 15.04.2020 03:05 alex24gonzales
A string is wrapped several times around the rim of a small hoop with radius 7cm and mass 2kg. The free end of the string is held in place and the hoop is released from rest.
After the hoop has descended 80cm, calculate (a) the angular speed of the hoop and (b) the speed of its center.
Answers: 1
Physics, 22.06.2019 05:00
Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
Answers: 1
Physics, 22.06.2019 07:00
Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?
Answers: 1
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
Physics, 23.06.2019 01:00
Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?
Answers: 3
A string is wrapped several times around the rim of a small hoop with radius 7cm and mass 2kg. The f...
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
English, 13.06.2020 23:57
English, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57