radiography of a barium-filled colon calls for high-kvp technique. these x-rays can have energy of 110 kev. what is the frequency and wavelength of this radiation?
a motorcycle is rounding a turn on a 30o banked road. the radius of the turn is 90 m, and the coefficient of friction between the road and tire is 0.4. what is the maximum speed she can go without flying outward off the road?
if the acceleration of the very same bucket was still the same [i.e. equal in magnitude and direction], but the pulley's mass was in fact larger [m'>m] than its mass in the original case, then the tension in the cord would be
if the field strength changes from 0.30 to 0.20 t in 20 ms , what is the induced emf in the loop? if the field strength changes from 0.30 to 0.20 in 20 , what is the induced emf in the loop? 0.10 v 0.15 v 0.20 v 0.30 v 0.45 v
a typical gasoline-powered vehicle requires about 3.7 mj of primary energy (i.e., energy content of the gasoline) to travel 1 km. how many kilograms of co2 are produced annually by a vehicle that is driven 40,000 km per year?
ultraviolet radiation falls in the wavelength region of 1.00e-8 to 1.00e-7 meters. what is the wavelength of ultraviolet radiation that has an energy of 2.19e-21 kj? wavelength
suppose we wish to represent the electric potential around q1q1 and q2q2 by drawing isolines. what is the relationship of the isolines of electric potential to the net electric field vectors in the region around q1q1 and q2q2?
a technician is checking a normal bjt with an ohmmeter and finds two leads with very high resistance. when the ohmmeter polarity is reversed, the resistance is still very high. the technician has found:
what is the maximum speed (in m/s) the vehicle can have at point circled b in order for gravity to hold it on the track? incorrect: your answer is incorrect.
if an electron experiences a force of 2 x 10-15 n as it accelerates between two metal plates, what is the magnitude of the electric field between the plates?
a) calculate v1, v2 and i1. b) how much power is delivered to the circuit by the 15 a source? c) how much power is delivered to the circuit by the 5 a source?
A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and transmitted pulses?.
Which of the following statements about stopping/twisting is NOT true? A. mostly occurs in individual sportsB. can result in ligament and tendon damageC. is a movement required in most fast-paced sportsD. creates stress and strain on joints Please select the best answer from the choices provided.ABCD
Pavel throws the discus for Romania. The distance from his spine to his fingertips is 1.7 meters. In his throw, he works up to 48 RPM, and releases the discuss at an angle of 45°. How far did Pavel throw the discuss?
If an object is placed 15cm in of front of a concave mirror of radius Curvature 20cm. Determine the position of the image formed
