The sun subtends an angle of 0.00928 rad when viewed from the surface of the earth, and its distance from earth is 1.5 * 1011 m. what is the diameter of the sun?

Which of the following is an acid? A. H2SO4 B. K2SO C. KCI D. KOH

A car with an initial velocity of 5.0 is acelerated at 3.0for 4.0seconds what os the velocity of tje car ofter the 4.0seconds

An impulse always produces a change in A. momentum B. speed C. direction D. force

Water starts off its existence as a polarized molecule. A stream of water is deflected towards a nearby electrically charged object that is brought closer to it.

Construction contributes to soil erosion because

5. What is the percent composition of sulfur in H2SO4? A. 32.7% B. 65.2% C. 98.1% D. 2.1%

A 0.8kg object accelerate at a rate of4 m/s2. What is the net force acting on a object

Which of the following is the best definition of an isotope? A. elements of the same kind with different numbers of neutrons B. elements of the same kind that have lost electrons C. elements of the same kind that have different electrical charges

Two cars approach each other; both cars are moving westward, one at 85 km/h, the other at 54 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.

What usually causes high concentration of minerals to form