A motorist makes a trip of 180 miles. For the first 90 mph she drives at a constant speed of 30 mph. What constant speed must she drives the remaining distance if her average speed for the total trip is to be 40 mph

How do derived units differ from base units

What type of cell is the only kind that has centrioles?

A person starts driving 3 km east to a store. The person then turns around and travels 1 km west to another store. Finally, the person travels 2 km west

A scientist tests the water in a local pond and finds that it has a pH of 7.9. What is true about the water sample?

Find the moment of inertia about each of the following axes for a rod that is 0.360 {cm} in diameter and 1.70 {m} long, with a mass of 5.00*10-2 {kg}.1. About an axis perpendicular to the rod and passing through its center. (in I=kg*m^2) 2.

Which of the following is equivalent to 10 kilograms? a) 1000 grams b) 100 hectogram c) 1 hectogram d) 1000 centigrams

When did einstein publish his theory of relativity

Acceleration is rate of change of?

1. Find the kinetic energy of a. 023 kg bullet moving at 420 m/s.

What evidence can you cite for the particle nature of light? 1. Refraction phenomenon of light 2. The many colors of light 3. Diffraction phenomenon of light