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OLEGan [10]
2 years ago
15

The magnitude of an impulse produced by a 300 g mass rubber ball, striking a wall horizontally at a velocity of 40 m/s, that reb

ounds with the same velocity immediately upon striking.
24.0 N s
12.0 N s
12,000.0 N s
60.0 N s
SAT
1 answer:
8090 [49]2 years ago
7 0

Option a. The total force that is calculated is given as 24 n/s

<h3>How to solve for the magnitude</h3>

300 g = 0.3kg

Force = change in momentum / time

We have to find the mass x velocity

0.3 x 40 = 12kg m / s

This rubber ball is said to strike and also rebound immediately. We can take the time as 1 second.

Force 1 x 12

= 12 N

The force that is exerted after the rebounding has occurred is also 12 N following Newton's 3rd law.

The total force that is exerted would be calculated as 12N + 12N = 24 N/S

Read more on force here:

brainly.com/question/25239010

#SPJ1

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B

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Complete the following table by indicating at each price whether there is a shortage or surplus in the market, the amount of tha
Ira Lisetskai [31]

When the price is at $42 per keyboard, there is a surplus in the market. At $42, there is a surplus of 300 units of keyboards in the market. The pressure is downward. When demand is low, there is a pressure for the prices to be reduced.

<h3>What is the market situation at $18?</h3>

At $18, there is a shortage of 200 keyboards. The pressure is upwards. Basic demand and supply indicates that when the demand is above the equilibrium point, the pressure for price to increase is high.

It is to be noted that the equilibrium point is the basis for the above rationalization. The equilibrium point is the price-point at which demand equals supply.

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Full Question:

The following graph shows the monthly demand and supply curves in the market for keyboards.

A) Use the graph input tool to help you answer the following questions. Enter an amount into the Price field to see the quantity demanded and quantity supplied at that price.

B) The equilibrium price in this market is ________ per keyboard, and the equilibrium quantity is ____________ keyboards bought and sold per month.

Complete the following table by indicating at each price whether there is a shortage or surplus in the market, the amount of that shortage or surplus, and whether this places upward or downward pressure on prices.

Also see the attached image.

4 0
1 year ago
In which region would an archaeologist be most likely to find evidence of roman roads?.
kolezko [41]

Answer:

saharan africa

Explanation:

. Roman roads are spread to northern Africa.

if the archeologist would go to sub Sahara Africa, he would be more likely to fijd the roads.

he could also go to Israel. the Roman's made a stone paved road and some people while traveling it dropped coins. if he were to look for the coins, he would find the road.

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Mike, one of the owners and founders of mike boyle strength and conditioning, states: "you really should care about the people y
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The important concept that best exemplifies what Mike values for his employees is: affirmative commitment.

<h3>What is Affective Commitment?</h3>

Affective commitment is a concept that describes the tendency of employee's to be emotionally attached to the organization they work for, most especially when they feel their personal values and priorities align with that of the organization's mission and ideals.

Thus, the important concept that best exemplifies what Mike values for his employees is: affirmative commitment.

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Lavoisier organized a list of the known
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