subject
Physics, 03.05.2021 03:40 rickyop8010

ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements. In working this problem, assume the value of "g" to be 9.8 m/s2 with two (2) significant digits unless otherwise stated.
A 2.0 kg pendulum has an initial total energy of 20 J. Calculate the energy lost as heat if the pendulum is 0.10 m high and is traveling at 4.0 m/s.

2.0 J
16 J
18 J
14 J

ansver
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 03:00, natasniebow
Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c
Answers: 2
image
Physics, 22.06.2019 20:30, Taylor129
Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
Answers: 1
image
Physics, 23.06.2019 00:50, 09daishagreen
Mark creates a graphic organizer to review his notes aboutelectrical force. which labels belong in the regions marked x and y?
Answers: 1
image
Physics, 23.06.2019 02:30, hewonabi123
Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 2
You know the right answer?
ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measure...

Questions in other subjects: