1. a car that increases its speed from 20 km/h to 100 km/h undergoes acceleration.
2. it usu...
1. a car that increases its speed from 20 km/h to 100 km/h undergoes acceleration.
2. it usually takes more force to start an object sliding than it does to keep an object sliding because static friction is usually than sliding friction.
3. in a closed system, the loss of momentum of one object the gain in momentum of another object.
4. the universal force that is effective over the longest distances is
5. as an object’s temperature increases, the at which it radiates energy increases.
6. when a person plucks a guitar string, the number of half wavelengths that fit into the length of the string determines the of the sound produced.
7. the law of reflection states that the angle of reflection is equal to the angle of
8. the region where a magnet's force is strongest is at
9. the magnetic field lines of a bar magnet begin near the magnet’s
10. the energy source used to produce most of the electrical energy in the united states is
Answers: 3
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 1
Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
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Physics, 23.06.2019 02:20
Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n
Answers: 2
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
English, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
Mathematics, 10.02.2021 23:50
English, 10.02.2021 23:50