Answers
1.
m1gh - m2gh = 1/2 (m1+m2) v^2
v^2 = 2(m1-m2)gh/(m1+m2) = 2*5*9.8*2/15
v = 3.6148 m/s
2.
Power = Energy/time
95 km/h = 26.38 m/s
acceleration = 26.38/7.4 = 3.566 m/s2
distance = 1/2 a t^2 = 97.64 m
average speed = 97.64/7.4 = 13.2 m/s
P = 1400*3.566*13.2 = 65872 Watts
Similar Solved Questions
1 answer
1. Rank the following markets from that where price controls would cause the greatest disequilibrium between...
1. Rank the following markets from that where price controls would cause the greatest disequilibrium between supply and demand down to those where controls would cause the smallest disequilibrium. A. 4 B. 1 C. 3 D. 2 - Rice in a poor country (elasticity of demand low; elasticity of supply low) - Air...
1 answer
2. (5 Points) If multicore processors have increased the number of transistor count, how do they...
2. (5 Points) If multicore processors have increased the number of transistor count, how do they also achieve power saving? ANSWER:...
1 answer
1. Which best describes more than half the population of people served by community health centers?...
1. Which best describes more than half the population of people served by community health centers? A. They are elderly B. They are chronically ill C. They are migrant workers D. They live in rural areas 2. Documentation from a medical professional that a mother, her children, or both are at nutriti...
1 answer
Required information The following information applies to the questions displayed below.) Rundle Company is a retail...
Required information The following information applies to the questions displayed below.) Rundle Company is a retail company that specializes in selling outdoor camping equipment. The company is considering opening a new store on October 1, 2019. The company president formed a planning committee to ...
1 answer
2) In real projectile interaction with the air. This interaction can be understood as two components,...
2) In real projectile interaction with the air. This interaction can be understood as two components, lift, which acts perpendicular to the direction of motion and acts to oppose motion. How would lift affect the speed of the drag, which It would increase the speed a. b. It would decrease the speed ...
1 answer
P12.1A (LO 1, 2,5), AN U3 Company is considering three long-term capital investment proposals. Each investment...
P12.1A (LO 1, 2,5), AN U3 Company is considering three long-term capital investment proposals. Each investment has a useful life of 5 years. Relevant data on each project are as follows. FAZIA (101, 2, 3). A Compute annual rate of return, cash payback, and net present value. Excel Project Bono $160,...
1 answer
QUESTION 2 Suppose that you are testing the following hypotheses: H:u= 10 vs H : 4#10...
QUESTION 2 Suppose that you are testing the following hypotheses: H:u= 10 vs H : 4#10 A 95% confidence interval on the mean is (11; 13) Select the correct answer from the following: The null hypothesis cannot be rejected at the 5% level of significance. The null hypothesis can be rejected at the 5% ...
1 answer
Uit 10 ullerent physical quantities and their units in the theory of circuits. 2. (9 points)...
uit 10 ullerent physical quantities and their units in the theory of circuits. 2. (9 points) Find the current I, in the following circuit: 112 0.10, 2020 24V 0 020 POLO...
1 answer
Lightstrikes a flat 2.00cm thick block of glass (n-1.50) at an angle of 30.0 with the...
lightstrikes a flat 2.00cm thick block of glass (n-1.50) at an angle of 30.0 with the normal Fig. ). (o) Trnce the light beam through the glass, incidence and refnction at each surfince. (b)When the light glass, block, it is required for the light to pass through the glass block ray passes through t...
1 answer
Refer to the revenues and expenses shown on the unadjusted trial balance. Based on this information,...
Refer to the revenues and expenses shown on the unadjusted trial balance. Based on this information, calculate preliminary net income and net profit margin. Complete this question by entering your answers in the tabs below. 50 Req 1 Reg 2 Req3 Req 4A Req 4B points Prepare an unadjusted trial balance...
1 answer
Find examples of foreign companies' marketing 4P mix strategy use cases on YouTube or website, then...
Find examples of foreign companies' marketing 4P mix strategy use cases on YouTube or website, then briefly introduce the contents and write the link....
1 answer
Thanks for helping with this Accounting problem. Please answer all three requirements ... thank you Raintree...
Thanks for helping with this Accounting problem. Please answer all three requirements ... thank you Raintree Cosmetic Company sells its products to customers on a credit basis. An adjusting entry for bad debt expense is recorded only at December 31, the company's fiscal year-end. The 2020 bal...
1 answer
Hey Saver Submit 39 The Surf's Up issues 1000 shares of 6% $100 par value preferred...
Hey Saver Submit 39 The Surf's Up issues 1000 shares of 6% $100 par value preferred stock at the beginning of 2020. All remaining shares are common stock. The company was not able to pay dividends in 2020, but plans to pay dividends of $18.000 in 2021 Assuming the preferred stock is cumulative h...
1 answer
Determine where the local and absolute maxima and minima occur on the graph. Assume the domain...
Determine where the local and absolute maxima and minima occur on the graph. Assume the domain is a closed interval. A 0.5+ -3 -2 1 2 3x x-value Extrema -3 ---Select-- ---Select--- -1 ---Select--- 0 ---Select--- ---Select--- ---Select--- ---Select---...
1 answer
The two options in the first box are real or virtual, the second box's two options...
The two options in the first box are real or virtual, the second box's two options are larger or smaller, the third box's two options are upright or inverted. Consider a concave spherical mirror with a radius of curvature of 6 m. A 1.5m tall object is placed 5.0 m away from the mirror. The i...
1 answer
Given #r_1(t_1)=(3 t_1 - 1, t_1^2 + 1, sqrt[t_1 + 2])# and #r_2(t_2) = (2 t_2^2 + 3, 1 - 4 t_2, t_2 + 3)# determine the angle between #r_1# and #r_2# at their first intersection point ?
Given #r_1(t_1)=(3 t_1 - 1, t_1^2 + 1, sqrt[t_1 + 2])# and #r_2(t_2) = (2 t_2^2 + 3, 1 - 4 t_2, t_2 + 3)# determine the angle between #r_1# and #r_2# at their first intersection point ?...