a particle with a charge of 5.5 x 10^-8 c is 3.5 cm from a particle with a charge of - 2.3 x10^-8 c. the potential energy of this two particle system relative to the potential energy at infinite separation is:

A car is initially moving with a velocity of 3 m/s. then it accelerates uniformly at the rate of 0.6 m/s^2 for 5 seconds. Determine the distance traveled by the car in 5 seconds.

Power lines sag more between telephone poles in the summer than in winter. Explain why that is so.

David delivers meals to elderly people once a week. He uses a cart to move the meals. The cart has four smooth wheels. Which type of friction acts between the cart wheels and the sidewalk? A. sliding friction B. rolling friction C. fluid friction D.

60mil/hr to m/s convert

What is the definition of a molecule? And how are they made?

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.