Physics, 19.07.2019 12:40 dashaunpeele
What statement is true about a spring? a. the softer the spring, the greater the force required to restore its position. b. the stiffer the spring, the greater the force required to restore its position. c. the longer the spring, the greater the force required to restore its position. d. the shorter the spring, the greater the force required to restore its position.
Answers: 2
Physics, 22.06.2019 06:00
Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
Answers: 1
Physics, 22.06.2019 10:00
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
What statement is true about a spring? a. the softer the spring, the greater the force required to...
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