Chemistry, 26.03.2021 22:30, ibarral37102
GIVING 300 PTS URGENT AFTER ITS DONE If all the objects have around the same mass, which of the following objects has the most gravitational potential energy?
Question 4 options:
a chair set on the ground
a book on a high shelf on the first floor of a house
a ball stuck on the roof of a two-story house
a cat investigating a basement
Question 5 (1 point)
Which of the following electromagnets would have the greatest magnetic field?
Question 5 options:
A
B
C
D
Question 6 (1 point)
What is the role of a turbine in an electric generator?
Question 6 options:
It stores energy for later use.
It releases chemical energy.
It transfers electrical energy.
It provides mechanical energy.
Question 7 (1 point)
Which energy transformation takes place in a generator?
Question 7 options:
mechanical to electrical
chemical to radiant
electrical to mechanical
radiant to electrical
Question 8 (1 point)
The rumble feature on a video game controller is driven by a device that turns electrical energy into mechanical energy. This device is best referred to as ?
Question 8 options:
an electric generator
an electromagnet
a solenoid
a motor
Answers: 2
Chemistry, 21.06.2019 22:30, dinosaur10
Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
Answers: 2
Chemistry, 22.06.2019 07:40, sadcase85
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
Chemistry, 22.06.2019 09:10, cheesedoodle
When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction
Answers: 1
GIVING 300 PTS URGENT AFTER ITS DONE If all the objects have around the same mass, which of the foll...
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