While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds.
If the boy and the scooter together have a mass of 30 kg, what is their final velocity?

a.2.06 m/s
b.12.54 m/s
c.5.83 m/s
d.0.99 m/s

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion