Physics, 12.12.2019 04:31 Miguel1310
Consider a car travelling at 60 km/hr. if the radius of a tire is 25 cm, calculate the angular speed of a point on the outer edge of the tires. if the car takes 6 seconds to come to a stop, calculate the average angular acceleration of a point on the outer edge of the tires.
a.-0.11 rad/s 2
b. -40.0 rad/s 2
c. -2.78 rad/s^2
d. 11.1 rad/s 2
jack and jill have made up since the previous hw assignment, and are now playing on a 10 meter seesaw. jill is sitting on one end of the seesaw, while jack is some distance (d) from the fulcrum on the other side. if jack and jill have masses of 100 kg and 60 kg, respectively, where should jack sit in order to balance the seesaw?
a. 8 m from the fulcrum
b. 3 m from the fulcrum
c. not enough information.
d. 5 m from the fulcrum
Answers: 3
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Consider a car travelling at 60 km/hr. if the radius of a tire is 25 cm, calculate the angular speed...
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