Most stars are

a. brown fs

b. main sequence

c. white dwarfs

d. pulsars

What is the acceleration of an object if it goes from a velocity of 25 m/s to rest in 5.0 s? a.-5 m/s2b. 5 m/s2c.-25 m/s2d. 25 m/s2

How old is our universe

Two cylindrical bars, each with diameter of 2.40 cm, are welded together end-to-end. One of the original bars is copper (resistivity 1.72e-8 ohm*m) and is 0.330 m long. The other bar is platinum (resistivity 10.60e-8 ohm*m) and is 0.125 m long.

The drag is proportional to the square of the speed of the boat, in the form Fd=bv2 where b = 0.5 N⋅ s2/m2. What is the acceleration of the boat just after the rain starts? Take the positive x axis along the direction of motion.

Although most magnetic reversing starters provide mechanical interlock protection, some circuits are provided with a secondary backup or safety backup system that uses auxiliary contacts to provide ___ interlocking.

Why does the rotation of earth require people to establish times zones?

Which of the following statements best describes the importance of investigations in science

Which element has a complete valence electrons hell?

3. If you are part of a center or network, you can use program-level data to A. change the way you record and maintain information. B. identify professional development needs. C. improve the management systems to support child learning. D.

What did James Madison foresee as an important element of the political system? a. Hyperpluralism b. Social movements c. Interest groups d. Lobbying