Are small drainage channels that are cut into hill slopes by running water
What will be an ideal response?
Rills
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The output of a generator is 440. V at 20. A. It is to be transmitted on a line with resistance of 0.60 ?. To what voltage must the generator output be stepped up with a transformer
if the power loss in transmission is not to exceed 0.01% of the original power? A) 4.4 kV B) 4.4 × 105 V C) 44.5 kV D) 22. kV E) 72.7 kV
Two solenoids, A and B, are wound using equal lengths of the same kind of wire. The length of the axis of each solenoid is large compared with its diameter. The axial length of A is twice as large as that of B, and A has twice as many turns as B. What is the ratio of the inductance of solenoid A to that of solenoid B?
1.4 2.2 3.1 4.1/2 5.1/4
A 2.0 kg mass is moving in a circular path with a radius of 5.00 cm. The mass starts from rest and with constant angular acceleration, obtains an angular velocity of 6.00 rad/sec in 3.00 sec. The mass then comes to a stop with constant angular deceleration in 4.00 sec. The centripetal component of acceleration of the mass at 5.00 sec after the start is
A. 2.50 
B. 2.03
C. 1.25
D. 0.980
E. 0.456
The changing of a substance from a liquid into a vapor or gas is called
A) condensation. B) evaporation. C) dew point. D) saturation point.