A wheel rotates with a constant angular acceleration of 4.50 rad/s^2. If the initial angular velocity is 3.75 rad/s, how much time is required to complete 28.0 rad? a. 0.70 s
b. 4.46 s
c. 7.47 s
d. 0.45 s
e. 2.79 s

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.

The speed of light can be used to measure the