A 0.4-kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8-kg toy car that is traveling in the opposite direction at - 2 m/s. What is the size and direction of the final velocity of the two cars

Environmental advantage of using plant oil

It is desired that 7.7 mc of charge be stored on each plate of a 5.3 mf capacitor. what potential difference is required between the plates?

In order to determine speed, you must know a. time. c. Both a. and b. b. distance. d. None of the above

Scientific theories result from observations and experiments and might change result from observations and experiments but cannot change come only from the beliefs of scientists and might change come only from the beliefs of scientists and cannot

What is the most important reason to control the conditions of an experiment?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

The strength of the electric field 0.5 m from a 6 µC charge is positive N/C. (Use k = 8.99 * 109 N• and round answer to the nearest whole number.)

Which of the following equations correctly expresses the relation between vectors A⃗, B⃗, C⃗, and D⃗ shown in the figure?

Oliver, whose mass is 65 kg, and Olivia, whose mass is 45 kg, sit 2.0 m apart in the physics classroom. What is the force of gravitational attraction between Oliver and Olivia

Which is an application of radio waves? allow doctors to see inside a person's body carry information between cell phones sterilize surgical instruments reheat or cook food quickly and easily