8. A sprinter on a school track team is running north at a velocity of 6.0 m/s. After 5.0 s, she

is running south at 4.0 m/s. Calculate the average acceleration for this interval.

Which of these substances has the greatest index of refraction? A. water B. glass C. quartz D. diamond

A source from which organisms generally take elements is called a/an A. exchange pool. B. reservoir. C. biotic community. D. food web.

So if furrys were to come to life what would the mixtures of human and animal de?

What two factors determine gravitational potential energy?

Using monochromatic light of 410 nm wavelength, a single thin slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum.

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet