Calculate the effective radiation dosage (in rems) for a 73-kg person who is exposed to 3.0 x 109 particles of alpha radiation. assume that 79% of the radiation is absorbed, each alpha particle has an energy of 7.7x10 j, and that the rbe of the alpha particles is 15. note that rbe is sometimes called quality factor, abbreviated as q. number 0.03465 rem

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer