You have a rock with a volume of 15 cm 3 and a mass of 45 grams. What is its density?

Which of the following statements is not true? A. Science is a method of answering theoretical questions. B. Technology is a method of solving practical problems. C. Technology may produce problems for society. D.

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?

The acceleration due to gravity on planet x is one fifth that on the surface of the earth. if it takes 4.

Can plantlife affect the flow of water in a watershed?

The gravitational force between two 0.800 kg balls is 8.92 x 10-11 N. How far apart are they?

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.