A swimmer can swim 4.00 km/h in still water. He heads south across a river that flows east at 2.00 km/h. The river is 0.500 km wide. His velocity wih respect to the ground is

The car salesman tells you that the car can go from a stopped position to 60 miles per hour in 6 seconds. He is giving you the car's rate of

A falling object that weighs 12 N encounters 3 N of upwards air resistance. What is the size of the net force on the object?

Given that the efficiency of heating your room is roughly 35%, what mass of natural gas is actually necessary to heat your room from 12.7 to 25 degrees.

The rotational inertia I of any given body of mass M about any given axis is equal to the rotational inertia of an equivalent hoop about that axis, if the hoop has the same mass M and a radius k given by The radius k of the equivalent hoop is called

A force is always needed to slow an object down. A True B false

Which of the following is not a receptor pair according to the opponent process theory? A. red versus green B. yellow versus blue C. black versus white D. yellow versus red

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?

Bacteria which do not live in extreme conditions are found in this kingdom:

How many moles of h2 gas would be contained in 4.00 of the gas at 202.6KPa and 127c?

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow