Which of the following are vector quantities? check all that apply. a. force b. velocity c. distance d. time

What 2 forces are affecting the motion of the parachute jumper as he is falling? a. gravity and fluid friction b. air resistance and static friction c. air resistance and downward velocity d.

The distance stretched or compressed from the rest position for a mass on a spring is represented by which symbol?

16. The spreading of sound waves around openings in barriers is called A. reverberation. B. an echo. C. diffraction. D. refraction.

Metallic bonds are important to how paperclips are both made and used. Which statement best describes how metallic bond properties are important for making and using paperclips?

Distance force vector addition decreases projectile motion displacement mass increases vector subtraction linear motion time speed positive equally vector multiplication velocity gravity negative unequally centripetal motion Short Answers: 20.

A mirror what a flat surface is a a.) convex mirror b.) concave mirror c.) plane mirror d.) virtual mirror

The mass of a certain neutron star is 1.2 * 1031 kg (6 solar masses) and its radius is 5000 m. what is the acceleration of gravity at the surface of this condensed, burned-out star

The density of ice is 0.93 g/cm3. what is the volume, in cm3, of a block of ice whose mass is 5.00 kg? remember to select an answer with the correct number of significant figures.

Two planets p1 and p2 orbit around a star s in circular orbits with speeds v1 = 44.0 km/s, and v2 = 56.2 km/s respectively. (a) if the period of the first planet p1 is 700 years what is the mass, in kg, of the star it orbits around? kg

The theory describing the movement of the plates is called plate motion theory. True or false?