HEP ASAP PLZ 1. A front forms when

A. two air masses move away from each other

B. two air masses bump into each other

2. On a weather map, a red line with half circles shows a(n) .

A. occluded front

B. cold front

C. warm front

3. The blue triangles of a cold front point in the direction .

A. the front is going

B. the front has come from

C. where the temperature is colder

1 is B, 2 is B a cold front

Explanation:

In order for a front to form, two air masses have to collide, and for 2 a cold front is represented by a red ljine with half circles

first let us lay out the formula for potential

and kinetic energy:

pe = mgh

ke = (mv^2)/2

where: m=mass, v=velocity, g=gravitational

acceleration, h=height

calculating for mass using the known values of

pe:

340j = m (9.81 m/s^2) (50ft) (1m/3.28ft)

m = 2.27 kg

the law of conservation of energy states that

energy is neither created nor destroyed. therefore, the change in kinetic

energy from 50 ft to 35 ft would be equal to the change in potential energy

from 50 ft to 35 ft. however it would be opposite in signs since one is losing

while other is gaining.

ke(35ft) – ke(50ft) = - [ pe(35ft) – pe(50ft]

ke(50ft) = 0 since the brick is initially at rest

ke(35ft) = 340j - 2.27kg (9.81 m/s^2) (35ft)

(1m/3.28 ft)

ke(35ft)

= 102.38 j

that's what i got you can count the number of atoms