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Eduardwww [97]
2 years ago
14

If a car drives 10 miles NE and then due East for 10 minutes traveling 8

Physics
2 answers:
Nimfa-mama [501]2 years ago
7 0
I think the answer is 28 miles
abruzzese [7]2 years ago
4 0

Answer:

<h2>12.8 miles</h2>

Explanation:

d=\sqrt{a^{2}+b^{2}  } \\where;\\a=10\\b=8

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Two automobiles are 150 kilometers apart and traveling toward each other. One automobile
Vladimir79 [104]
Their relative speed is the sum of 60 and 40 or 100km/hr. They will travel the 150km in 1.5 hrs. When two object approach each other, the closing speed is just the sum of the speeds, therefore, the closing speed is your case is 100kph. So they will meet in 1.5 hours.
8 0
3 years ago
147.5 ml of ethyl alcohol (coefficient of volume expansion = 1120 x 10-6K-1) at a temperature of 273.1 K is measured into a 150.
marishachu [46]

Answer:

288.2 K

Explanation:

\beta = Volumetric expansion coefficient = 1120\times 10^{-6}\ /K

T_i = Initial temperature = 273.1 K

T_f = Final temperature

v_0 = Original volume = 150 mL

Change in volume is given by

\Delta v=\beta v_0(T_f-T_i)\\\Rightarrow T_f=\frac{\Delta v}{\beta v_0}+T_i\\\Rightarrow T_f=\frac{150-147.5}{1120\times 10^{-6}\times 147.5}+273.1\\\Rightarrow T_f=288.2\ K

The temperature of the ethyl alcohol should be 288.2 K to reach 150 mL

8 0
3 years ago
A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the
Nady [450]

Answer:

The frequency would not change because the frequency of a simple pendulum does  not depend on mass.

Explanation:

7 0
3 years ago
if you were in a car that drove off the edge of a cliff, why would you be momentarily weightless? would gravity still be acting
Andrews [41]

Answer: Gravity will be on you since you are falling. For instance if you where skydiving you are free falling which will be similar to the car. Therefore gravity does play a role because whatever goes up must come down.

Explanation:

3 0
3 years ago
How can u use physics in the real world
Blizzard [7]
Physics can be used in a variety of ways, a specific example would be rollercoaster. Physics can be used to determine the speed at which a rollercoaster can travel without going off the rails or when it needs to begin to slow down to make a sharp turn.
3 0
3 years ago
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