A boat of mass 225 kg drifts along a river at a speed of 21 m/s to the west. What impulse is required to decrease the speed of the boat to 15 m/s to the
west?
A. 3375 kg•m/s west
B. 1350 kg•m/s east
C. 1350 kg•m/s west
D. 3375 kg•m/s east

Protons and neutrons are found within the nucleus of an atom

Determine the maximum r-value of the polar equation r =3+3 cos 0

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?