A force of 310.0 N is used to push a 120 kg mass, 30.0 m horizontally in 3.00 s.
(a) Calculate...
Physics, 19.05.2020 14:16 dawood7068
A force of 310.0 N is used to push a 120 kg mass, 30.0 m horizontally in 3.00 s.
(a) Calculate the work done on the mass.
[ ] × kJ
(b) Calculate the power developed.
[ ] kW
Answers: 1
Physics, 22.06.2019 08:30
Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2
Answers: 3
Physics, 22.06.2019 09:00
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Mathematics, 17.09.2020 07:01
English, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Biology, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
English, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Chemistry, 17.09.2020 07:01
Biology, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Social Studies, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01
Mathematics, 17.09.2020 07:01