Physics, 09.12.2019 05:31 shanicejordan
During physical science, ms. greene challenged her students to produce an energy transformation. james and jill wrapped a 4-inch nail with a coil of fifty turns of wire. they connected one end of the coil to one terminal of a knife switch. they connected the other terminal of the knife switch to the battery. finally, they connected the end of the coil to the other terminal of the battery. james held the tip of a 1-inch nail near the flat end of the 4-inch nail. jill closed the knife switch quickly and then opened it. the 1-inch nail was pulled toward the 4-inch nail. what was the energy transformation in this case?
Answers: 2
Physics, 21.06.2019 23:10
Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net
Answers: 1
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
Answers: 3
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
During physical science, ms. greene challenged her students to produce an energy transformation. jam...
Health, 18.03.2020 07:22
Mathematics, 18.03.2020 07:23
History, 18.03.2020 07:24
Mathematics, 18.03.2020 07:24
History, 18.03.2020 07:25
Mathematics, 18.03.2020 07:25
Computers and Technology, 18.03.2020 07:25
Mathematics, 18.03.2020 07:25
Mathematics, 18.03.2020 07:25
Biology, 18.03.2020 07:26
Social Studies, 18.03.2020 07:27
Mathematics, 18.03.2020 07:28