The position of a mass that is oscillating on a spring is given by x = (12.3 cm) cos[(1.26s-1)t]. What is the velocity of the mass when t = 0.815 s?
A)
- 13.3 cm/s
B)
13.3 cm/s
C)
8.02 cm/s
D)
- 8.02 cm/s
E)
0 cm/s
A
Physics & Space Science
You might also like to view...
Which galaxies contain less than 1,000 galaxies?
a. obtuse b. middle class c. poor d. rich
Physics & Space Science
According to Newton, is a freely falling elevator an accurate inertial reference frame?
A. No, such a frame is accelerating toward the earth. B. It is not a real inertial frame, but we can treat it as one if we ignore external gravitational forces acting on objects inside the frame. C. Yes. D. It depends (explain).
Physics & Space Science
The angular speed of the hour hand of a clock, in rad/s, is
A.
.B.
.C.
.D.
1800?.
E.
7200?.
Physics & Space Science
How does the declination of the Sun vary over 1 year?
Physics & Space Science