Does the maximum kinetic energy of the emitted photoelectrons depend on the intensity of light?
Q: Suppose the air outside the window moves with a speed of approximately 160 m/sm/s shortly after…
A:
Q: A crane is used to lower rectangular concrete blocks (0.4 m × 0.4 mx 0.3 m) into the ocean so that…
A:
Q: Several cans of different sizes and shapes are all filled with the same liquid to the same depth.…
A: Pressure is defined as force per unit area. So Pressure is inversely proportional to the area of…
Q: I determining the density of copper graphically, the trend line is given as y = 8.98 x. What is the…
A: Given mass(gm) v/s volume (cm3 )curve for copper gives trend line y=8.98 x Required density of…
Q: a. Calculate the buoyant force (in N) (upward) on a 2.00 L helium balloon. b. Given the mass of the…
A: a. Given data: Volume of helium balloon is, V=2.00 L =0.002 m3. The buoyant force is calculated as,…
Q: A small barge is being used to transport trucks across a river. If the barge is 10.00 m long by 8.00…
A:
Q: A geologist finds that a Moon rock whose mass is 9.30 kg has an apparent mass of 6.00 kg when…
A:
Q: The body of a 150 lb person contains 2.3 x 10-4 lb of copper. How much copper is contained in the…
A: Given:- The mass of the body of the person is m = 150 lb. The person contains mc = 2.3 x 10-4 lb…
Q: Students build a raft made of 15 logs lashed together. Each log is 53.2 cm in diameter and has a…
A:
Q: A.) What volume of a helium- filled balloon is needed to just lift a total pay load of 1500 kg? B.)…
A:
Q: Design experiments to determine how you can predict the value of the pressure in air or in water on…
A: The pressure inside liquid is only dependent on the height of liquid above the point of concern. The…
Q: To prevent damage to floors (and to increase friction), a chutch will often have a rubber tip…
A:
Q: You are in charge of receiving a shipment of new packing (aka tower fill) for a benzene stripping…
A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…
Q: We have three containers: The first container is a cylinder with bottom area of 0.2 m², the second…
A: Given that The first container with bottom area,A1=0.2 m2 The second container with bottom…
Q: 11. The original 1955 Ford Thunderbird was powered by a 292-in engine. What is this volume in…
A: Conversion chart- 1-in3=0.0163871 Liter1 mi/gal=0.4251 km/L1 lb/in2=703.07 kg/m2
Q: A 6.5-cm-diameter ball has a terminal speed of 20 m/s. You may want to review (Pages 146-147) ▼ Part…
A:
Q: Air within the funnel of a large tornado may have a pressure of only 0.29 atm. What is the…
A: Calculate the absolute pressure on wall. P=0.29 atm=0.291.013×105 Pa=29377 Pa
Q: Pressure cookers have been around for more than 300 years, although their use has strongly declined…
A: Pressure P = 3.40 Atm Diameter D = 26 cm Radius r = D/2 = 26/2 = 13 cm Since 1 atm = 1.01×105…
Q: Some Pirates have stolen some Silver coins that are mixed with some fake Aluminum coins, You are…
A: The coins can be separated by weighing them because though the coins are the same in appearance and…
Q: In a cert top ring is 2.5 mm (0.1 in.). At 90° after HDC on the power stroke, the piston is moving…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…
Q: A four-cylinder aircraft engine has a cylinder bore of 3.78 inches & is 8.5 inches deep. With the…
A: Given: No. of cylinders (n)= 4 bore radius (r) =3.78/2 = 1.89 inches bore height (h)=8.5 inches…
Q: can you explain how they got this answer?
A: See image below for the explanation.
Q: Part A How many people can the raft hold before they start getting their feet wet, assuming the…
A:
Q: A 6.5-cm-diameter ball has a terminal speed of 10 m/s. You may want to review (Pages 146 - 147) .…
A: Solution: The terminal velocity is the highest velocity reached by an object falling through a…
Q: Rin and Nadeshiko are using a butane tank to make hotpot. The pressure inside the tank is 46.5 atm.…
A: Pressure inside the tank is P = 46.5 atm = 46.5 x 101325 = 4711613 Pa Diameter of the tank is d =…
l5.e
Please provide a correct and well explanied solution for the following
Step by step
Solved in 2 steps with 1 images
- A 7.5 g latex balloon is filled with 2.6 g of helium. When filled, the balloon is a 31-cm-diameter sphere. When released, the balloon accelerates upward until it reaches a terminal speed. Part A What is this speed? Assume an air density of 1.2 kg/m³ and a drag coefficient for sphere of 0.50. Express your answer with the appropriate units. V = Submit μA 4 Request Answer ?A circular air duct 15.0 cm in radius is used to replenish the air of a room that is 9.20 m by 5.00 m by 4.50 m every 15.0 minutes. How fast does the air flow in the duct? Please show the explanation and equations used.A woman of M equals 63KG stands on the ice the contact area between her ski in the ice is a equals 0.0058M^2. Part A. Express the forest at the person exerts on the ice F in terms of MNG you do not need to include the force of the column of air above her Part B. Calculate the numerical value of F in N Part C. Express the pressure on the ice from the person P in terms of F and A Part D. Calculate the number cool value of P in PA
- 10 00 R %24 Homework 6 3.Water is flowing in a pipe that has varying cross-sectional area throughout, and at all points the pipe is completely filled with water. At one point the cross-sectional area of the pipe is 0.07 m^^2, and the velocity of the fluid is 3.50 m/s. What is the fluid velocity in the pipe where the cross sectional area is instead (a) 0.105 m^2 and (b) 0.067 m^2. (c) also calculate the volume discharged from the end of the pipe in one hour (Hint: Use volume flow rate eq. V/t=A*v and solve for V) Q=AV 0.105*0.067= f12 f8 114 A f4 十百 & 7. 4.Pressure cookers have been around for more than 300 years, although their use has strongly declined in recent years (early models had a nasty habit of exploding). How much force (in N) must the latches holding the lid onto a pressure cooker be able to withstand if the circular lid is 23.0 cm in diameter and the gauge pressure inside is 3.50 atm? Neglect the weight of the lid. NThe spring of the pressure gauge shown in the figure below has a force constant of 1 350 N/m, and the piston has a diameter of 1.40 cm. As the gauge is lowered into water in a lake, what change in depth causes the piston to move in by 0.700 cm? 4.635 X Your response differs from the correct answer by more than 10%. Double check your calculations. m Vacuum
- X Exit full screen Press Esc to exit full screen What is The resulant Force exerted on the slave piston of 25 squate meters? ! 20 New tons Applied on Masfer piston of 25 square Centimeters Hy draulics - drawing Give an exect answer is Nor to scale. and include units.An airplane is pressurized with air to 650 mmHg. a. If air is 21% oxygen, what is the partial pressure of oxygen on the plane? b. If the partial pressure of oxygen drops below 100 mmHg, passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped?E.4 If an object floats when completely submerged in water (density = 1 g/cm³) what will happen to it when placed in a tub of alcohol (density = 0.85 g/cm³)?
- 1. If an immersed object displaces 8 N of fluid, what is the buoyant force on the block?EXPLAIN. 2. How should you place a screw on a table such that it exerts the smallest pressure against it?.EXPLAIN WHY. 3. An object with a volume of 100cm^3 is submerged in a swimming pool. What is the volumeof water displaced?. Why?. 4. You apply a flame to 1 L of water for a certain time and its temperature rises by 2°C. If youapply the same flame for the same time to 2L of water, by how much does its temperaturedecrease? . Why? 5. Which has greater kinetic energy? A) a car traveling at 30 km/hr. B) a car of half the mass traveling at 60 km/hr C) both the same. D) need more information EXPLAIN. 6. A melon is projected into the air with 100 J of kinetic energy in the presence of air resistance.When it returns to its initial level its kinetic energy isA) less than 100 J.B) more than 100 J.C) 100 J.D) need more informationEXPLAIN 7. Two identical golf carts move at different speeds. The faster cart…You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2 is a cube of aluminum. Object 3 is a sphere of copper. a. the density of tin is 5.75g/cm2. What is the mass of object 1 in kg if the rectangular block has a volume of 1.34L? b. what is the volume in cubic inches of object 2 if the cube of aluminum 7.58 inches on a side? c. what is the mass in kg of object 2? the density of aluminum is 2.70g/cm3 d. what is the volume in cm3 of object 3 if the sphere of copper has a diameter 8.62cm? the volume of the sphere is 4 {pi}^3/3 e. what is the mass in kg of object 3? Copper has a density of 8.96g/cm3Pressure cookers have been around for more than 300 years, although their use has strongly declined in recent years (early models had a nasty habit of exploding). How much force (in N) must the latches holding the lid onto a pressure cooker be able to withstand if the circular lid is 21.0 cm in diameter and the gauge pressure inside is 2.60 atm? Neglect the weight of the lid. N