A ball of radius .200m is given an initial angular velocity of 15rad/s. the ball rolls...
A ball of radius .200m is given an initial angular velocity of 15rad/s. the ball rolls along a straight line for five seconds until it comes to rest. How far does the ball travel during this time? Please write legibly.
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A ball of radius .200m is given an initial angular velocity of
15rad/s. the ball rolls...
A ceiling fan is spinning with an angular velocity of +10RAD /s. It then comes to...
A ceiling fan is spinning with an angular velocity of +10RAD /s. It then comes to a stop over a brief period of time. During this time, its angular displacement is +8.7RAD. The blades of the fan extend 0.9 m from the center. (a) Determine the average angular acceleration. (b) Determine the time during which it comes to rest. (c) How far (in meters) does the tip of each blade travel during this time?
A ball is slowing down as it rolls on grass in a playground. It's angular acceleration...
A ball is slowing down as it rolls on grass in a playground. It's angular acceleration is -1.8rad/s2 and its linear acceleration is -0.045m/s2. a) What is the ball's diameter in centimetres? b) when the ball's speed is 0.14m/s, what is its angular velocity? c) If the ball's initial angular velocity was 9.0 rad/s, how long does it take to come to rest?
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A ball rolls horizontally off a balcony at an initial velocity of 5.00 m/s and lands...
A ball rolls horizontally off a balcony at an initial velocity of 5.00 m/s and lands on the ground 10.0 m below.Find the following answers and give them with 3 sig. figs. A) The time the ball is in the air is _______ seconds. B) The magnitude of the final velocity in the y- direction is _______m/s. C) The magnitude of the total final velocity is _________m/s. D) The angle the ball makes with the horizon is _______ degrees. (Give...
A large barrel is rotating with an initial angular velocity of 33.4 rad/s. It starts to...
A large barrel is rotating with an initial angular velocity of 33.4 rad/s. It starts to slow down uniformly and comes to rest, making 26.0 revolutions during the process. a) What is its angular acceleration (in rad/s2)? Show this in the uploaded file. b) How much time (in s) does it take to come to rest? Round off to ONE decimal place. Time (s) =
a ball rolls on a circular track of radius 0.62m with a constant angular speed of 1.3 rad/s in...
a ball rolls on a circular track of radius 0.62m with a constant angular speed of 1.3 rad/s in the counterclockwise direction. If the angular position of the ball at t=0 is angle = 0, fin the x component of the ball's position at the time 2.5s, 5.0s, 7.5s. Let theda =0 correspond to the positive x direction.
Consider a ball of mass 0.110 kg being spun in a horizontal circle of radius r-0.50...
Consider a ball of mass 0.110 kg being spun in a horizontal circle of radius r-0.50 m, as shown to the right. When the ball reaches an angular velocity (o) of 2.00 rad/s, it is given a constant angular acceleration of a- 2.00 rads. You can assume that the radius of the circular path followed by the ball remains constant during this acceleration. After precisely 3.00 seconds of this angular acceleration, the ball breaks off the string (a) In what...
8. A student rolls a marble alongside a meterstick to measure its velocity. At t1 =...
8. A student rolls a marble alongside a meterstick to measure
its velocity. At t1 = -2.5 s, its position is x1 = 4.3 cm, and at
t2 = 4.5 s it is at x2 = 18.5 cm. Determine its average velocity
during this time interval.
9. The position of a ball rolling along a straight line is given by
? = 1.8−3.6? +1.5?2, where x is in meters and t is in seconds.
Determine the average velocity of the...
A golf ball is given an initial velocity of 60 m/s at an angle of 40∞...
A golf ball is given an initial velocity of 60 m/s at an angle of 40∞ above the horizontal. The fairway slopes down at a constant angle of 10∞ away from the tee. (It is simplest to place the tee at x0 = 0, y0 = 0.) How far from the tee, measured along the fairway, will the ball land?
1) a)You are asked to find the initial velocity of a steel ball from a spring...
1) a)You are asked to find the initial velocity of a steel ball from a spring loaded launcher. You place the launcher on the edge of a table 1.0 meter above the floor and launch the projectile several times horizontally. If you find that the average distance the ball travels is 1.3 meters, what is the initial velocity of the ball? To solve a problem like this, use equations for the y-motion to find the time and then the x-motion...
A large barrel is rotating with an initial angular velocity of 33.4 rad/s. It starts to slow down uniformly and comes to rest, making 26.0 revolutions during the process. a) What is its angular acceleration (in rad/s2)? Show this in the uploaded file. b) How much time (in s) does it take to come to rest? Round off to ONE decimal place. Time (s) =
Consider a ball of mass 0.110 kg being spun in a horizontal circle of radius r-0.50 m, as shown to the right. When the ball reaches an angular velocity (o) of 2.00 rad/s, it is given a constant angular acceleration of a- 2.00 rads. You can assume that the radius of the circular path followed by the ball remains constant during this acceleration. After precisely 3.00 seconds of this angular acceleration, the ball breaks off the string (a) In what...
8. A student rolls a marble alongside a meterstick to measure
its velocity. At t1 = -2.5 s, its position is x1 = 4.3 cm, and at
t2 = 4.5 s it is at x2 = 18.5 cm. Determine its average velocity
during this time interval.
9. The position of a ball rolling along a straight line is given by
? = 1.8−3.6? +1.5?2, where x is in meters and t is in seconds.
Determine the average velocity of the...
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