Physics, 17.12.2020 01:30 andrewcassity1
15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. What is the change in the gravitational potential energy of the object?
A. It decreases by 5 joules.
B. It increases by 5 joules.
C. It increases by 11 joules.
D. It increases by 15 joules.
Answers: 2
Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
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
Physics, 22.06.2019 17:00
How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
Answers: 2
15 joules of work are done by forces other than gravity in taking an object from a position 3 m abov...
Mathematics, 23.06.2019 16:50
History, 23.06.2019 16:50
Chemistry, 23.06.2019 16:50
English, 23.06.2019 16:50
Mathematics, 23.06.2019 16:50
Mathematics, 23.06.2019 16:50