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Klio2033 [76]
2 years ago
5

a car travelling at 36km / h accelerates uniformly acceleration final 2m / s ^2 find its velocity in 5 second ​

Business
1 answer:
FinnZ [79.3K]2 years ago
3 0

Answer:

v = 20 m/s

Explanation:

Given that,

Initial speed of the car, u = 36 km/h = 10 m/s

Acceleration of the car, a = 2 m/s²

We need to find the final speed of the car in 5 seconds. Let the final speed is v. So,

v = u +at

Substitute all the values,

v = 10+2(5)

= 10+10

= 20 m/s

So, the final speed of the car is 20 m/s.

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An insurance firm agrees to pay you $3,310 at the end of 20 years if you pay premiums of $100 per year at the end of each year f
azamat

Answer:

6.43%

Explanation:

The internal rate of return shall be determined by the Insurance firm using the following mentioned method:

Cash flows      Year involved      Present [email protected]%  Present [email protected]%          

($100)                 1-20                      ($851)                            ($1,487.75)                      

$3,310                 20                        $492                             $1,832.67

                                                        ($359)                           $344.92

IRR=A%+ (a/a-b)*(B%-A%)

A%=10%  a= ($359) B%=3%  b=$344.92  

IRR=10%+(-$359/-$359-$344.92)*(3%-10%)

     =6.43%

3 0
3 years ago
Which of the following observations is true?
Strike441 [17]

Answer:

Which of the following observations is true?

d. In the long run, more costs become variable.

Explanation:

The long run is a period of time in which all factors of production and costs are variable.

5 0
3 years ago
Skippy loves peanut butter. Skippy reads on the internet that 75 percent of the peanut crop in the South has been wiped out by d
Bingel [31]

Answer:

d. ​ Skippy’s demand for peanut butter increases today.

Explanation:

The taste and preferences of the consumers are one of the factors affecting the demand for the goods. The demand for goods increases according to tastes and preferences. Another factor of an increase in demand is the expectation of a consumer regarding the future prices of the goods.

In the given scenario, Skippy's demand for the peanut butter will increase because of the above mentioned two reasons. Since he is very much fond of the peanut butter, the demand will remain constant. At the same time, after reading about the future unavailability of the peanut butter and the increase in the price of it, the demand for the peanut butter will rise the present day.

6 0
3 years ago
The dry cleaning industry is in monopolistic competition. In the short​ run, the​ profit-maximizing price is​ $10 per item and t
vitfil [10]

Answer:

$ 0

Explanation:

Under monopolistic competition, firms reach equilibrium in the long-run: this equilibrium is a point in which the marginal cost of producing one additional unit of ouput are the same as the marginal revenue from the sale of the same additional unit of output.

In other words, in the long-run, firms under monopolistic competition can only break-even, they do no obtain economic profits.

4 0
2 years ago
The supply of headphones is linear and upward sloping, and the demand for headphones is linear and downward sloping. Suppose the
Norma-Jean [14]

Answer:

8,000

Explanation:

Initially, the market is at equilibrium E1: P = P1; Q = Q1

Assume that the tax is imposed, the market will move to when Q = Q2; the price buyers pay is greater than P1, the price producers receive is less than P1.

We have: <em>Price buyers pay - Price producers receive = Tax</em>

As the tax decreases the equilibrium quantity by 700 headphoes

=> Q1 - Q2 = 700

=> Q2 = Q1 - 700

=> Q1 + Q2 = Q1 + Q1 - 700 = 2Q1 - 700

Before tax:

+) the producer surplus (PS) is equal to the area formed by supply curve S, price line P1 and the vertical axis

=> PS1 = Area of BE1P1

+) the consumer surplus (CS) is equal to the area formed by demand D, price line P1 and the vertical axis

=> CS1 = Area of AE1P1

=> The wellness before tax = CS1 + PS1 = Area of AE1B

After tax:

+) the producer surplus (PS) is equal to the area formed by supply curve S, price line (Price producers receives) and the vertical axis

=> PS2 = Area of BDE

+) the consumer surplus (CS) is equal to the area formed by demand D, price line (price buyers pay) and the vertical axis

=> CS2 = Area of ACF

+) The Tax revenue = Tax * Q2 = (Price buyers pay - Price producers receive) * Q2 = CD * DE = Area of CFDE

=> The wellness after tax = PS2 + CS2 + Tax Revenue = BDE + ACF + CDEF

=> Deadweight loss = Wellness before Tax - Wellness after tax = Area of EFE1 = 2,800

The tax decreases consumer surplus by $4,000.00, and it decreases producer surplus by $6,800.00

So that:

+) CS1 - CS2 =  4,000

=> Area of AE1P1 - Area of ACF = Area of CFE1P1 = 4,000

+) PS1 - PS2 = 6,800

=> Area of BE1P1 - Area of BDE = 6,800

=> Area of EDP1E1 = 6,800

=> Area of CFE1P1 + Area of EDP1E1 = 4,000 + 6,800

=> Area of CFE1ED = 10,800

Area of CDEF + Area of EFE1 = Area of CFE1ED = 10,800

=> Area of CDEF + 2,800 = 10,800

=> Area of CDEF = 8,000

=> Tax revenue = 8,000

6 0
2 years ago
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