Which would have more kinetic energy: a 10 kg ball rolling at a speed of 75 m/s or a 10 kg ball rolling at a speed of 45 m/s?

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

Which of the following is not used to measure wind? oa. psychrometero b. wind socko c. weather vaneo d. anemometer