What is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)? Just two significant digits please.

Q: Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 65 steps per…

A: Given data:Total time spent=30 min Rate of climbing=65 steps per minHeight of each step=8.0…

Q: 10. Who is working harder, Fred running a 10 min mile pace at a 10% grade Pete who is 65 kg, cycling…

A:

Q: 19. k(0.050 m) – (0.15)(0.12 kg)(9.8 m/s²) = (0.12 kg)(0.65 m/s²)

A: 19. The given equation can be solved as given below,

Q: snip

A: GIVEN :bin Capacity = 160 planksMachine production rate = 250 planks / hour One pallet (single…

Q: Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 70 steps per…

A:

Q: Is the second-law efficiency is the percent of the theoretical maximum efficiency achieved by the…

A: Introduction: Thermodynamics is the branch of the physics which deals with the study of the systems…

Q: The following is a set of experimental results you are required to lift a mass of 400 g at a speed…

A: Given Mass m                         = 400 g Speed v                        = 0.08 m/s Mechanical…

Q: Shows an example of a Rube Goldberg machine. Identify two types of simple machines that are included…

A: A simple machine is a mechanical device that changes the direction or magnitude of a force. They can…

Q: Draw a labelled figure to explain the idea of turning point in terms of energy.

A: If any body start moving in upward direction, where its total energy is conserved, then the kinetic…

Q: What formula relates entropy and the number of microstates? Who came up with this formula?

A:

Q: 0 Pablemes 95kg Energy A Cal. PE, KE and velocity of the basl at points B and C 25m 13 12 m L 5m

A: mass (m) = 95 kg HA = 25 m HB = 5 m HC = 12 m Total mechanical energy = m×g×HA= 95×9.8×25= 23275 J

Q: The kinetic energy is water is used to run turbines. a) True b) False

A: Option b

Q: Write the business rules that are reflected in the ERD shown in Figure.THE CROW’S FOOT ERD FOR…

A: Program Explanation Business Rules: From the above given Crow’s Foot ERD model, the relationships…

Q: 10. Who is working harder, Fred running a 10 min mile pace at a 10% grade or Pete who is 65 kg,…

A:

Q: Which of the following statements is true for the figure given below? * y F 450

A: Given:

Q: The x-axis component of energy is always less than the y-axis component True False

A: A scalar quantity is defined as the physical quantity that has only magnitude, for example, mass and…

Q: A PHYS 1510 student was working on a robotics project. The joints on the machine they were building…

A:

Q: gy in a dam

A: Given: A change in energy in a dam is given as,

Q: What power is needed to melt 20 kg of ice in 6.0 min? Answer should be in kW

A:

Q: The greater proportional gain will result in a system with a greater rise time True False

A: SOlution: is the statement true or false. the grater the proportinal gain will result in a system…

Q: Suppose a theme park roller coaster has a train with six carriages. Each carriage takes eight…

A: The number of time roller coaster loads is N=60min-3min60smin30s=114times

Q: Given the following minimum cost flow network find the optimal cost flow. (Here red, blue and cyan…

A: The optimal cost flow is defined as the cost flow at which the the logistics cost is minimized. The…

Q: The Differentiation to be made must be based on the following topics. - Power Rule Differentiation…

A: The power rule differentiation tells the differentiation that is in the form xn. In this, the power…

Q: If a machine does work faster, what does that mean about the power rating? Time does not affect…

A: Given data:  A machine does work faster Required: The power rating is smaller or larger

Q: Calculate the energy used per day (kWh) of a car with an efficiency of 12 kilometers per liter and…

A: Answer:- 12.5 kW h  Given  Total distance travelled by the car per day (S) = (90)/(6) = 15 km per…

Q: Matthew (220lbs) has a Monarch cycle ergometer that he rides every morning.  He expends 300 Kcals…

A: Given, Mass of Matthew, m=220 lbs=99.8 kg Energy spent, E=300 kcals=1.25×106J Time,t=30 minute=1800…

Q: how many DNA strands could be broken by the energy generated by 1 barrel of crude oil?

A:

Q: A 45 watt light bulb runs for 78 seconds. How much energy does it use?

A: The rate of change of work is called power. The SI unit of power is the watt. In mathematical…

Q: Relate energy density in our daily lives

A: In this question we have to relate the energy density in our daily lives.

Q: Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 75 steps per…

A: Given Weight W=150lb=150×4.44=666N Height of each step h=8×0.0254=0.2032 m Time t=30 min Step rate…

Q: As a steel beam is winched up to the top floor of a new building, the mechanical energy is being…

A: The mechanical energy used to lift the steal beam helps it in lifting to top floor.

Q: In raising a 5000-N piano with a pulley system, the workers note that for every 3 m of rope pulled…

A: Image-1

Q: Complete the following table. Round each of your answers to 3 significant digits. food a cup of…

A: