Homework Statement
Use this information to answer the next 4 questions: The brakes of a 1452 kg car bring it to a stop from a speed of 17.2 m/s in a distance of 100 m.
Homework Equations
15. How much work do the brakes do?
2.15 x 105 J
1.42 x 106 J
2.50 x 106 J...
Homework Statement
13. Why does the water in a washing machine escape through the little holes during the spin cycle?
a The water is flung out of the clothes by the centripetal force.
b The water is flung out of the washer by the centrifugal force.
c The water is sucked out of the...
Homework Statement
Consider a 3 kg object moving in a 2.5 m radius circle at 5.7 m/s to answer the next 2 questions.
4. How much force is required to keep the object moving in the circle?
1.3 N
3.3 N
39 N
6.8 N
5. What is the acceleration of the object?
13...
Homework Statement
What is true about the direction the acceleration vector points in circular motion situations?
Homework Equations
a It is perpendicular to the motion.
b There is no acceleration.
c It points opposite the motion.
d It points parallel to the motion.
The...
Pretty easy, just want someone to verify I have the right answer:)
Homework Statement
A worker pushes downward and to the left on the box at an angle of 35°.
The box weighs 135 kg and moves horizontally across the floor to the left at a constant velocity.
Homework Equations...