A boat can travel 48 miles upstream in 4 hours. the return trip takes 3 hours. find the speed of the boat in still water and the speed of the current.

Which of the following is true about pseudoscience?. a. can be trusted because they could use sound scientific methods. b. clearly false and a lie. c. do not use the accepted methods of scientific research and expirimentation. d.

Electromagnetic waves are classified using what measurement?

You would the largest mass of gold if your chunk of gold weighed 1n on

Use evidence to explain why glass refracted more light than air or water

The energy associated with the motion of particles in a substance is called

The amount of gravity between 1kg of lead and Earth is ___ the amount of gravity between 1kg of marshmallows and Earth. a. greater than b. less than c. the same as d. none of the above

What is the best way to dry a thermometer servsafe?

What is a sphygmomanometer?

What part of a circuit has the main job of conducting the electricity?

One-half kg of Refrigerant 134a is contained in a piston-cylinder assembly, initially a saturated vapor at 200 kPa. The refrigerant undergoes a process for which the pressure-specific volume relation is p v^1.