1
answer
0
watching
85
views
23 Nov 2019
A rubber ball (mass 0.23 kg) is droppedfrom a height of 1.7 m ontothe floor.Just after bouncing from the floor, the ball has a speedof3.9 m/s.
(a) What is the magnitude and direction oftheimpulse imparted by the floor to the ball? Magnitude 1 kg · m/s Direction 2---Select---downwardupwardclockwiseradially outwardradiallyinward
(b) If the average force of the floor on the ball is 20 N, how longis the ball in contact with thefloor?
3 s
A rubber ball (mass 0.23 kg) is droppedfrom a height of 1.7 m ontothe floor.Just after bouncing from the floor, the ball has a speedof3.9 m/s.
(a) What is the magnitude and direction oftheimpulse imparted by the floor to the ball?
(b) If the average force of the floor on the ball is 20 N, how longis the ball in contact with thefloor?
3 s
| Magnitude | 1 kg · m/s |
| Direction | 2---Select---downwardupwardclockwiseradially outwardradiallyinward |
(b) If the average force of the floor on the ball is 20 N, how longis the ball in contact with thefloor?
3 s
Beverley SmithLv2
8 Oct 2019
