What is the angular speed in rad/s for a point on the surface of Mars due to its rotation on its axis? (radius=3400km, day =24.6 hrs)?
points will go to the clearest explination. thanks
Time Period of rotation is equal to =
so angular velocity is w= (2*pi)/T = 7.091*10^(-5) rad/s
What is the angular speed in rad/s for a point on the surface of Mars due...
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. At a point on the platform that is 1.96 m from the axis of rotation, what is the magnitude of the total acceleration a?
The Earth has two main angular velocities as it moves through space. One is due to its motion around the sun, the other is due to its rotation around its own axis. A. What is the angular speed of the Earth as it revolves around the sun? (answer in rad/s) B. The radius of the Earth's orbit around the sun is about 1.5×108 km. Based on your answer to Part A, what is the tangential speed of the Earth as...
10. A body rotating at the angular speed of 20 rad/s slows down to an angular spee seconds. What is the average angular acceleration? 11. A body is rotating with an angular acceleration of 2 rad/s What is the linear acceleration of a point in this body that is 2.1 m from the axis of rotation? 12. Two masses, each of mass M, are separated by a distance D. a) what is the moment of inertia, if the axis of...
Determine :
A. It's angular speed .Units :rad/s
B.The tangential speed at a point 3 cm from the centre .Units
:m/s
C.The radial acceleration of a point on the rim .Units :rad/s
squared
D.The arc length that a point on the rim moves in 2 s .Units
:m
A disc 9 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine:
A solid, horizontal cylinder of mass 15.0 kg and radius 1.00 m rotates with an angular speed of 7.50 rad/s about a fixed vertical axis through its center. A 0.250-kg piece of putty is dropped vertically onto the cylinder at a point 0.900 m from the center of rotation and sticks to the cylinder. Determine the final angular speed of the system. ______rad/s
A solid, horizontal cylinder of mass 10.0 kg and radius 1.00 m rotates with an angular speed of 7.00 rad/s about a fixed vertical axis through its center. A 0.250-kg piece of putty is dropped vertically onto the cylinder at a point 0.900 m from the center of rotation and sticks to the cylinder. Determine the final angular speed of the system.
(a)Calculate the angular momentum (in kg · m2/s) of Mars in its orbit around the Sun. (The mass of Mars is 6.420 ✕ 1023 kg, the orbital radius is 2.279 ✕ 108 km and the orbital period is 1.88 y.) kg · m2/s (b)Compare this angular momentum with the angular momentum of Mars on its axis. (The radius of Mars is 3.396 ✕ 103 km and the rotation period is 24.62 h.) Lorbital Lrotation
a. 1.21 rad/s
b. 0.829 rad/s
c. 2.95 rad/s
d. 0.229 rad/s
e. 0.829 rad/s
A playground merry-go-round of radius R = 2.10 m has a moment of inertia of I = 260 kgm2 and is rotating at 11.0 rev/min about a frictionless vertical axis. Facing the axle, a 23.0 kg child hops on to the merry-go-round and manages to sit down on its edge. What is the new angular speed of the merry-go-round?
29. (1 point) A pulley has an initial angular speed of 2.50 rad/s and a constant angular acceleration of 1.40 rad/s. Through what angle does the pulley turn in 7.00 o) A) 113 rad B) 19.3 rad C) 42.6 rad D) 51.8 rad E) 161 rad 30. (1 point) A force of 50.5 N is applied tangentially to a wheel of radius 0.270 m and causes an angular acceleration of 2.20 rad/s. What is the moment of inertia of the...
A fan blade is rotating with a constant angular acceleration of +8.5 rad/s2. At what point on the blade, as measured from the axis of rotation, does the magnitude of the tangential acceleration equal that of the acceleration due to gravity?