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4 years ago

Someone help me with this page please! I feel so stressed todayyyy and I feel like garbage thank you a lot✨

Physics

1 answer:

LuckyWell [14K]4 years ago

7 0

1.Landslide 2. Delta 3. Moving water 4. Erosion 5. Abrasion and Deflation

6. Winds 8. Sediment it can erode

Sorry, don't know 7.

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Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60 km/h and the other is m

faltersainse [42]

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. 

Just take the distance of 150 km and divide by 100 to get 1.5 hours 

checking: 

the car going 60 will have traveled 60*1.5 = 90 km 
the car going 40 will have traveled 40*1.5 = 60 km 

the sum of the distances = 90+60 = 1.5 hours 

So they will meet in 1.5 hours.

8 0

3 years ago

Read 2 more answers

Some metal conductor has a resistance of 12 ohms. When plugged into a circuit, the amount of heat 144J is released in 12s. What

worty [1.4K]

Answer:

12V

Explanation:

Given parameters:

Resistance = 12ohms

Heat released = 144J

Time taken = 12s

Unknown:

Voltage at the ends of the conductors = ?

Solution:

To solve this problem, we must first determine the power expended by the circuit.

Power is the rate at which work is done;

P = $\frac{work done }{time}$

= $\frac{144}{12}$

= 12W

Electrical power is given as;

P = IV = $\frac{V^{2} }{R}$

Since V is the unknown, we solve for it;

12 = $\frac{V^{2} }{12}$

V = 12V

5 0

4 years ago

Jack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 156.9 s ( 2 min and 36.9 s ) , wherea

Leya [2.2K]

Answer:

Jill average velocity is 0

Jack average velocity is 0.159337

Jill average speed = 1.593372

Jack average speed = 1.434034

Explanation:

given data

long swimming pool = 25.0 m

9 lengths of the pool = 156.9 s ( 2 min and 36.9 s )

10 lengths = same time interval

to find out

average velocity and average speed

solution

we know that average velocity that is express as

average velocity = $\frac{displacement}{time}$ .....................1

Jill come back where she start

so here velocity will be = 0

and

Jack ends up on the other end of pool

so average velocity = $\frac{25}{156.9}$

average velocity = 0.159337

now we get here average speed that is express as

average speed = $\frac{distance}{time}$ .............2

jack speed = 9 × $\frac{25}{156.9}$

jack speed = 1.434034

and

Jill speed = 10 × $\frac{25}{156.9}$

Jill speed = 1.593372

5 0

4 years ago

The atmospheric pressure at normal conditions is equal to 10.33 m under water. Then 1.0mm mercury equals to

mash [69]

Answer:13.6

Explanation:

7 0

4 years ago

What is quantitative?

7nadin3 [17]

To relate or measure the by the quantity of something, not against the quantity

5 0

4 years ago