Physics, 27.10.2020 14:00, lolorichards123
48) If the motor M rotates in the direction shown by the arrow as illustrated in the diagram below, what is going on?
A. 1 and 2 are going down
B. 1 goes up and 2 goes down
C. 1 and 2 are going up
D. 1 goes down and 2 goes up
49) For the system in the diagram below to be in equilibrium, what is the mass of P in pounds? The mass at the other end of the beam is 5 kg.
A. 5.5 lb
B. 2.8 kg
C. 10 kg
D. none of these
50) These 3 wells have been drilled with a mud of specific gravity of 1.25 gr/cm3. In which well A, B or C, will the highest hydrostatic bottom hole pressure be recorded ?
A. Well A
B. Well B
C. Well C
D. All three will have equal bottom hole pressure
51) If the density of A is greater than the density of B. What is going to happen ?
A. If P floats in liquid A, it will also float in B.
B. If P floats in liquid B, it may or may not float in A, depending on the density of P.
C. If P sinks in B, it will sink in A also.
D. None of the above answers are correct.
52) For the circuit shown below, if V=380VAC and the bulb is rated at 170VAC, 5W, what is the resistance R that should be connected in series to the bulb?
A. 6500 ohms
B. 7000 ohms
C. 7145 ohms
D. 5780 ohms
53) If we increase the voltage across a DC motor, then the motor speed will?
A. decrease
B. increase
C. stay same
D. stop
54) What will be the output voltage of two 12V batteries connected in series?
A. 12 V
B. 6 V
C. 24 V
D. no voltage
55) What will be the output voltage of two 12V batteries connected in parallel?
A. 12 V
B. 6 V
C. 24 V
D. no voltage
Answers: 2
Other questions on the subject: Physics
Physics, 21.06.2019 15:30, Isabelcastillox1085
Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha
Answers: 1
Physics, 21.06.2019 18:50, iceyburh
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth's center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 1
Physics, 22.06.2019 15:00, MARTINASLACK299
You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
Answers: 1
Do you know the correct answer?
48) If the motor M rotates in the direction shown by the arrow as illustrated in the diagram below,...
Questions in other subjects:
Mathematics, 29.03.2021 03:50
Computers and Technology, 29.03.2021 03:50
