Physics, 19.11.2019 19:31 hsjsjsjdjjd
Unlike a phonograph record that has a constant angular speed, a cd scans information at a constant linear?
r speed (130 cm/s).
does the cd rotate at a constant or varying
angular speed?
1. varying angular speed.
2. constant angular speed.
Answers: 1
Physics, 21.06.2019 13:30
Anton created a chart listing different types of materials.which best complete the chart? (a)x: copper y: glass(b)x: rubber y: copper(c)x: paper y: silicon(d)x: silicon y: glass
Answers: 1
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 2
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Unlike a phonograph record that has a constant angular speed, a cd scans information at a constant l...
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