A car drives around racetrack for 30 seconds. What do you need to know to calculate the average velocity of the car

A 300 kg car travels at 11 ms. What is the momentum

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m

Light of wavelength 600 nm illuminates a diffraction grating. the second-order maximum is at angle 39.5 ∘. part a how many lines per millimeter does this grating have?

A puddle dries up by the process of awnsers a - melting b - freezing c-condensation Or D-evaporation

How do you calculate percentage uncertainties?

A zebra starts from rest and accelerates at 1.9 m/s2 what will be the acceleration after 5 seconds

When you measure the temperature of an object you are measuring

What are two ways the Doppler effect can be applied in everyday life?

The two dry sand samples are examined by changing one parameter. The independent variable, the one that is intentionally manipulated between the two samples, is the (temperature over time, mass of each sample, or type of material used)

What is the unit of G in the F=Gm1m2/r^2