Question 1

If the voltage is 12 V and the resistance in thewire is 3 Ω, what is the the current in the circuit?

Accepted Answer

4A

Answer

5A

Answer

2A

Answer

12A

Question 2

If a boat of mass 500 kg is accelerating at 0.5 m/s2, what is the resultant force?

Accepted Answer

250 N

Answer

500 N

Answer

750 N

Answer

1,000 N

Question 3

Two clear solutions are placed in separate beakers.The first solution has a pH of 4, and the pH of the second solution is unknown.If the two solutions are mixed and the resulting pH is 5, the second solution must have —

Accepted Answer

A higher concentration of OH– ions

Answer

A lower temperature

Answer

Fewer suspended solids

Answer

More dissolved salt (NaCl) particles

Question 4

Factor: 5x²-15x-20

Accepted Answer

5(x-4)(x+1)

Answer

-5(x+4)(x-1)

Answer

-2(x-4)(x+5)

Answer

5(x+4)(x+1)

Question 5

What is the area of a square with a perimeter of8 inches?

Accepted Answer

4sq. in.

Answer

12

Answer

5 in.

Answer

5 sq. in.

Question 6

What time will a cake be done if it bakes for 37minutes and was put in the oven at 6:43?

Accepted Answer

7:19

Answer

6:29

Answer

7:39

Answer

6:59

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