In the picture you can see that Chuck passes Brownsburg exit half hour later than Anna when she passes Prospect Ave exit. So the time when Anna and Chuck pass each other is:

$t_{C}=t_{A}-0.5 h$

Anna pass Chuck at X distance.

Chuck pass Anna at (105 miles - X) distance.

$X=V_{A}t=V_{A}t_{A}$

$105-X=V_{C}t_{C}=V_{C}(t_{A}-0.5h)$

$t_{A}=\frac{X}{V_{A}}=\frac{105miles-X+0.5hV_{C}}{V_{C}}$

After clear X:

$X=\frac{105miles+0.5h*V_{C}}{1+\frac{V_{C}}{V_{A}} }$

$X=\frac{105miles+0.5h*65mph}{1+\frac{65mph}{75mph} }$

X=73.66 miles

5 0

3 years ago

Which of the following statements is true? During heat flow, energy is converted to matter.

TEA [102]

Answer:

During heat flow, much of the energy is dissipated and cannot be used for useful work.

Explanation:

Which of the following statements is true?

During heat flow, much of the energy is lost.

During heat flow, energy is converted to matter.

During heat flow, much of the energy is dissipated and cannot be used for useful work.

3 0

3 years ago

The range of a projectile is the vertical height reached; True or False?

jeka57 [31]

Answer:

False

Explanation:

The range of a projectile is the horizontal height reached

6 0

3 years ago

4. Increasing the mass of this freight train will

muminat

Answer: #1. increase. #2. decrease #3. speed.

Explanation:

8 0

3 years ago