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, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
GIVING 300 PTS URGENT AFTER ITS DONE If all the objects have around the same mass, which of the foll...
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