A car starts from rest and has a constant linear acceleration of 0.800 m/s² for 20.0 s. The radius of the tires is 0.330 m. Assuming that the tires do not slip, at the end of the 20.0 s, the angular displacement Through which each tire has rotated is
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
A car starts from rest and has a constant linear acceleration of 0.800 m/s² for 20.0 s. The radius of the tires is 0.330 m. Assuming that the tires do not slip, at the end of the 20.0 s, the
![8. A car starts from rest and has a constant linear acceleration of 0.800 m/s? for 20.0 s. The
radius of the tires is 0.330 m. Assuming that the tires do not slip, at the end of the 20.0 s,
the angular displacement Through which each tire has rotated is
(a) 129 radians
(b) 484 radians
(c) 367 radians
(d) 501 radians
9. A solid ball of mass M, radius R (moment of inertia = (2/5) MR?) starts from rest at a
height of 8.00 m and rolls down a 30.0° incline without slipping, as shown in the figure
below. When the ball leaves the incline, its linear/translational speed is
(a) 6.78 m/s
(b) 14.5 m/s
(c) 3.19 m/s
(d) 10.6 m/s
M
BALL
A INCLINE
I 30.0°
10. A car moves in a circular track with a constant speed. Which of the following statement
is correct?
(a) It has a constant acceleration
(b) It requires a force which points to the tangential direction
(c) It requires a force which points to the radial direction
(d) It does not need any force](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F488bded5-c469-4e7b-ba34-105f270b27ec%2Ffbee2f80-139d-425a-9264-4fb1bfe8ef32%2Fmcc4fxg_processed.jpeg&w=3840&q=75)
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