Other Physics Answers

A weightless rod CD,1.0m long is acted upon by horizontal forces of 2N, 2N, 4N and 8N. what force will be necessary to produce equilibrium

You time an ant’s movement as it walks along a meter stick. You record the following data: {(0 s, 0.20 m), (1 s, 0.26 m), (2 s, 0.32 m), (3 s, 0.38 m), (4 s, 0.44 m)}. Determine the ant’s velocity.

The radius of the outer sphere of a spherical capacitor is five times the radius of its inner shell. What are the dimensions of this capacitor if its capacitance is 5.00 pF?

A.   Garen observed his athletic friends, Aya and Marisa, run. The two girls ran in a 1.5-km straight dirt road. Marisa was a given a ten-second head-start. When Aya ran, she caught up with Marisa, who ran at 3.75 m/s. Both of them finished the 1000 m run, with Aya measured to finish the track at 375 seconds. (5 items x 5 points)

2.   How far did Marisa run after ten seconds? 3.75m/s

3.   Find the time Aya caught up alongside Marisa.

4.   Find the distance where both runners met.

5.   How long did Marisa run before she could finish the sprint?

A. Garen observed his athletic friends, Aya and Marisa, run. The two girls ran in a 1.5-km straight dirt road. Marisa was a given a ten-second head-start. When Aya ran, she caught up with Marisa, who ran at 3.75 m/s. Both of them finished the 1000 m run, with Aya measured to finish the track at 375 seconds. (5 items x 5 points) 2. How far did Marisa run after ten seconds?

Sam, Choi, Mich, Pia, and Sheen are on a 6’ x 4’ rectangular balsa. They are having trouble keeping the balsa balanced as they are unaware of their center of mass. Find their center of mass, given the following: Sam is at 3 feet east, and 2 feet north of the balsa’s geometric center. She weighs 78 kg.