1 answer

Problem number two. I keep getting the correct answer, but I am still confused. Can you...

Question:

PROBLEM 2 A college student tosses her iPhone from her dorm window. The iPhones initial velocity is 4.8 m/s at 170 to the ho

problem number two. I keep getting the correct answer, but I am still confused. Can you show me which equations you would use and solve each one especially when you get to the quadratic part for time! show work please, also nice handwriting if at all possible ! thanks community

PROBLEM 2 A college student tosses her iPhone from her dorm window. The iPhone's initial velocity is 4.8 m/s at 170 to the horizontal. The iPhone leaves the window ar aheight of 8.6m·Calculate (A) the iPhone's maximum height from the ground. (B) the iPhone's speed as it hits the ground -(C)the time it takes the iPhone to hit the ground. PROBLEM 3 A 102 kg box has an initial speed of 6.8 m/'s at pointA on the bottom of a 41 incline plane. The box up the incline, reaching a maximum distance of 2.9 m at point B. Calculate A) the acceleration of the box. --(B) the coefficient of friction between the box and the incli ne. 6.8 m/s

Answers

usin 9 ス g, 8 a- Comveho 8 G mMo tion 2 うt 13

.

Similar Solved Questions

2 answers
Calculate the kJ of heat per gram released by Pentaborane-9?
Pentaborane-9 (B5H9) is a colorless, highly-reactive liquid that will burst into flames when exposed to oxygen.The reaction is:2B5H9 (l) + 12O2 (g) --> 5B2O3 (s) + 9H2O (l)Calculate the kilojoules of heat released per gram of the compound reacted with oxygen.The standard enthalpy of formations of...
1 answer
An existing steam turbine operating on a reheat Rankine cycle in which the first stage turbine...
An existing steam turbine operating on a reheat Rankine cycle in which the first stage turbine has an inlet pressure of 12.5MPa and inlet temperature of 550 degree celcius. The second stage has an inlet temperature of 500 degree celcius. Assuming both turbines and water pump run at 100% isentropic e...
1 answer
Hello, I would like to solve 4.5 step by step please 4.5 Let G be finite....
Hello, I would like to solve 4.5 step by step please 4.5 Let G be finite. Show that the probability that two elements of G chosen at random commute with each other is equal to k/G], where k is the number of conjugacy classes of G. (The two elements are allowed to be equal; they are chosen randoml...
1 answer
2) (14 pts) Shown on the next page is a schematic drawing of the mechanism for...
2) (14 pts) Shown on the next page is a schematic drawing of the mechanism for an RNase. Residues that are important for catalysis are also shown schematically. (a) Refer to the scheme and describe the roles of His 12, Lys 41, and His 119 in the catalytic mechanism. List all of the following that ap...
1 answer
This is a problem based on Buffon's needle problem. ( You can Google it) Suppose that...
This is a problem based on Buffon's needle problem. ( You can Google it) Suppose that M. Buffon’s floor is covered, not by unit width floor boards, but by a unit grid of square unit tiles. Suppose now that a unit length needle, (that is, a needle whose length is the length of the sides of ...
1 answer
1. An infant must master the tasks in one phase of the life cycle to move...
1. An infant must master the tasks in one phase of the life cycle to move on to the next phase. What happens if there is a problem with the parents or environment that prevents adequate interaction with the child? 2. What tasks should you expect to be mastered during early childhood? 3. What phy...
1 answer
I need help with this physics question! 3) Two long parallel guide wires of zero resistance,...
I need help with this physics question! 3) Two long parallel guide wires of zero resistance, separated by a distance d-1m are connected to a potential difference ΔV = 3V. A bar of mass m=12g and resis- tance R = 3Ω makes contact with these wires, and can slide along them without frict...
1 answer
3.33 points Saverne (Ch6) Terry is the project manager of the network update project and the...
3.33 points Saverne (Ch6) Terry is the project manager of the network update project and the project stakeholders have requested that four new servers be added to the project. This addition will cause changes in the project costs and schedule. Which process can manage changes to the project schedule...
1 answer
Determin the points of intersection algebraically : f(x)=-x(squared) +6x-5, g(x)=-4x+19
Determin the points of intersection algebraically : f(x)=-x(squared) +6x-5, g(x)=-4x+19...
1 answer
1. A firm s _____ added to its _____ equals 1.0.             a.  earnings per share, PE ratio...
1. A firm s _____ added to its _____ equals 1.0.             a.  earnings per share, PE ratio             b.  ROA, ROE       &n...
1 answer
6. Based on earning announcements of firms’ annual results, you find it hard to earn abnormal...
6. Based on earning announcements of firms’ annual results, you find it hard to earn abnormal return. Is it consistent with EMH?  If yes, which form of EMH (strong, semi-strong, strong)?...
1 answer
Severe headaches Pulse 140 Blood pressure 110/70 Tachycardia Right pupil not reactive to light Fluctuating mental...
Severe headaches Pulse 140 Blood pressure 110/70 Tachycardia Right pupil not reactive to light Fluctuating mental status Head trauma unsteady gait Zero response to painful stimulation on left side Increased reflexes I am asked to locate a brain lesion from these key signs and symptoms....
1 answer
The circuit displays a rectangle with 16cm on a side with R= 60 and e=10V with...
the circuit displays a rectangle with 16cm on a side with R= 60 and e=10V with the circuit being in a region of mag field pointing OUT of page. your ammeter reads a clockwise current of .50A for 5ms. solve for the magnitude of change in the external part of the magnetic field after these 5ms have e...
1 answer
Measuring the change in temperature versus time upon addition of a hot metal specimen to 10.02...
Measuring the change in temperature versus time upon addition of a hot metal specimen to 10.02 ml of water with an initial temperature of 26.63 degrees C led to a plot with a line with the equation y= -0.121 x + 36.2. If the heat absorbed by the water is equal to the heat lost by the metal, determin...
1 answer
Wildhorse Co. reported the following information for 2020: Sales revenue Cost of goods sold Operating expenses...
Wildhorse Co. reported the following information for 2020: Sales revenue Cost of goods sold Operating expenses Unrealized holding gain on available-for-sale securities Cash dividends received on the securities $2038000 1410000 220000 120200 8800 For 2020, Wildhorse would report other comprehensive i...