5. A 250 g car at rest rolls down a frictionless incline from a starting height of 0.75 m. What is the final velocity of the car?

Why are some galaxies’ spectra blueshifted rather than redshifted? question 4 options:

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?