You push backward against the ground to move a skateboard forward the force you make acts against the ground what force acts against you to move you forward

Giraffe bending to drink. In a giraffe with its head 1.83 m above its heart, and its heart 2.04 m above its feet, the (hydrostatic) gauge pressure in the blood at its heart is 246 torr.

A charge + q is located at the origin, while an identical charge is located on the x axis at x = + 0.91 m.

Whats the deffinition for energy

When resistors 1 and 2 are connected in series, the equivalent resistance is 14.9 ω. when they are connected in parallel, the equivalent resistance is 2.69 ω. what are (a) the smaller resistance and (b) the larger resistance of these two resistors?

The largest and smallest slits in these experiments are 0.16mm and 0.04mm wide, respectively. The wavelength of the laser light is 650nm. How many wavelengthswide are these slits?

How many layers of material were the roads made of? a. two c. four b. three d. five

Red light has a shorter wavelength than yellow light.

Approximately what is the parallax angle of a star that is 20 light-years away?

If the Earth and distant stars were stationary (motionless) in space, what would we observe about the wavelength from these stars? A. Wavelengths measured would match the actual wavelengths emitted. B.

Two fire trucks with sirens speeds towards and away from an observer. Which statement is true involving the Doppler effect observed by the observer?