What are two important uses of petroleum

Suppose there is a bright fringe at P Would this bright fringe move closer to O, move further away, or be unchanged, t 1.

The interference pattern seen when light passes through narrow, closely spaced slits, is due to 1) diffraction. 2) reflection. 3) refraction. 4) dispersion. 5) deflection.

A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?

ii. At the instant shown in Figure 3, the blocks are moving toward each other with the same speed of 0.35m/s. The blocks collide 0.50 seconds later. What is the speed of the two-block system's center of mass just before the blocks collide?

Is a hotdog a sandwich? Why or Why not?

A superhero flies 285 m from the top of a tall building at an angle of 35◦ below the horizontal. What is the horizontal component of the superhero's displacement?

How does a substance's temperatura chanté when the average kinetic energy of its particles increases? When it decreases?

Because the moon rotates once for each revolution around Earth, Choose one answer. a. you see some phases more than others. b. a different side of the moon faces Earth each day. c. you never see the far side of the moon.

Planet A takes 1 year to go around its star at an average of 1 A. U. distance. Planet B is 4 A. U. from the star. Calculate how long Planet B takes to orbit.

Average mass of a toy car (small, hot wheels) ?