Physics, 19.02.2021 21:10 sebascarvallo2003

A 25 kg child plays on a swing with support ropes that are 2.2 m long. A friend pulls her back until the ropes are 42.2 from the vertical and releases her from rest. What is the potential
energy for the child just as she is released compared with the potential energy at the bottom of
the swing?
A. 177 J
B. 140 J
O
C. 539 J
D. 160 J

A 25 kg child plays on a swing with support ropes that are 2.2 m long. A friend pulls her back

un

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 06:30

The mini-refrigerator fire was most likely caused by what type of wiring?

Answers: 2

Answer

Physics, 22.06.2019 10:20

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)

Answers: 2

Answer

Physics, 22.06.2019 17:20

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.

Answers: 3

Answer

Physics, 22.06.2019 21:30

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

Answers: 1

Answer

You know the right answer?

A 25 kg child plays on a swing with support ropes that are 2.2 m long. A friend pulls her back unti...

Questions