A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the red ball after the collision?

A)

zero

B)

-2.0 m/s

C)

+3.0 m/s

D)

+2.5.0 m/s

E)

+5.0 m/s


B

Physics & Space Science

You might also like to view...

What is the energy of a photon with a frequency of 6.60 × 1015 Hz?

A) 27.3 eV B) 12.3 eV C) 18.1 eV D) 19.6 eV E) 6.60 eV

Physics & Space Science

Modern in-air nuclear bomb tests have created an extra high level of 14C in our atmosphere

If future archaeologists date samples from this era, without knowing of this testing, will their carbon-14 dates be too young, too old, or correct? If correct, why? A) Too young. B) Too old. C) Correct, since 14C from bomb tests is different from that produced naturally. D) Correct, because modern biological materials do not gather 14C from bomb tests.

Physics & Space Science

One "food calorie" equals 1000 calories

Indicate whether the statement is true or false

Physics & Space Science

A large heavy truck and a small baby carriage roll down a hill. Neglecting friction, at the bottom of the hill, the baby carriage will likely have

A) less momentum. B) about the same momentum. C) more momentum.

Physics & Space Science