Evaluate each of the following to three significant figures and express each answer in sl units using an appropriate prefix:

a. 354 mg(45 km) / (0.0356 kn),
b. (0.004 53 mg)(201 ms),
c. 435 mn / 23.2 mm,
d. (0.631 mm) / (8.60 kg)2
e. (35mm)2(48kg)3

Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges