Two 0.20-kg balls, moving at 4 m/s east, strike a wall. Ball A bounces backwards at the same speed. Ball B stops. Which statement correctly describes the change in momentum of the two balls?
A.
.B.
.C.
.D.
.E.
.Answer: A
Physics & Space Science
You might also like to view...
When an oxygen-19 nucleus undergoes beta decay, the nucleus formed is that of
a. nitrogen-18. b. oxygen-18. c. fluorine-19. d. carbon-14.
Physics & Space Science
The force required to move a 90.0 kg object in a 85.0 m circle at a constant speed of 8.10 m/s is
a. 0.0 N b. 69.5 N c. 0.77 N d. 8.58 N
Physics & Space Science
On the day of the _______________ in late June, Earth's Northern Hemisphere is inclined toward the Sun
Fill in the blank(s) with correct word
Physics & Space Science
Potential Energy: A +5.0-nC charge is at the point (0.00 m, 0.00 m) and a -2.0-nC charge is at (3.0 m, 0.00 m). What work is required to bring a 1.0-nC charge from very far away to point (0.00 m, 4.0 m)? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 15 nJ B. 3.6 nJ C. 11 nJ D. 7.7 nJ
Physics & Space Science