Physics, 26.12.2021 09:00 tshegofatso92

Why does ice change to water as energy is added at the melting point? a. Kinetic energy is removed from the molecules, so they separate.
b. Molecular motion decreases until the temperature begins to increase.
C. Molecules vibrate quicker, and their motion overcomes the forces of attraction.
d. All the forces of attraction between molecules disappear at the melting point.

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 02:50

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

Answers: 3

Answer

Physics, 22.06.2019 06:10

Which transition by an electron will release the greatest amount of energy? oa ob oc od

Answers: 2

Answer

Physics, 22.06.2019 08:30

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Answers: 3

Answer

Physics, 22.06.2019 11:50

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Answers: 2

Answer

You know the right answer?

Why does ice change to water as energy is added at the melting point? a. Kinetic energy is removed...

Questions