Physics, 03.11.2019 19:31 terrenevans4156
Based on your knowledge of the gravitational force near the surface of the earth and on newton's second law, explain the sign and magnitude of the acceleration of the coin in the last question during the three portions of its motion.
on its way up ;
at the highest point ;
on the way down ;
a. 9.8 m/s2
b. 0 m/s2
c. -9.8 m/s2
d. none of the other choices are correct for this situation.
Answers: 3
Another question on Physics
Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
Answers: 1
Physics, 22.06.2019 17:20
In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
Answers: 2
Physics, 22.06.2019 19:00
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
You know the right answer?
Based on your knowledge of the gravitational force near the surface of the earth and on newton's sec...
Questions
Mathematics, 03.12.2020 09:20
English, 03.12.2020 09:20
Geography, 03.12.2020 09:20
Mathematics, 03.12.2020 09:20
Social Studies, 03.12.2020 09:20
Mathematics, 03.12.2020 09:20
History, 03.12.2020 09:20
Geography, 03.12.2020 09:20
Chemistry, 03.12.2020 09:20
