Q: 3. A bucket at for collecting water from a well is suspended from a light rope that is wrapped…
A:
Q: A burglar coughs with an intensity of 2.35 x 107 W/m². The burglar alarm is sensitive to an…
A:
Q: 5. Calculate the acceleration due to gravity on the surface of Jupiter? (mj = 1.90×10²7 kg, rj =…
A:
Q: An infinitely long cylindrical medium of radius a (m) contains electric charges. The charges are…
A: a) The total charge over the length of 1 (m) is Q=pa. This is because the charge density is p (C/m3)…
Q: A gunpowder explosion in a cannon reaches a gas pressure of 3.0E8 Pa. If the cross sectional area…
A: Given data: Pressure (P) = 3.0×108 Pa Cross sectional area (A) = 75 cm2 Required: Force (F)
Q: A piece of wood from an ancient Egyptian tomb is tested for its carbon-14 activity. It is found to…
A:
Q: he eyes of certain reptiles pass a single visual signal to the brain when the visual receptors are…
A: FORMULA E=nhcλE is energy=3.15×10-14Jn is bumber of photonsh is planck constant=6.626 ×10-34Jsc is…
Q: 2. A wheel of radius 20 cm has a constant angular acceleration of a = 0.5 rad/s² starting from rest.…
A:
Q: A 1240-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the…
A: Given data- Weight of uniform beam Wb=1240 N Weight of crate Wc=1960 N Let length of beam L, and…
Q: what is k in the eq 2
A:
Q: The figure below shows two circular regions R₁ and R₂ with radii r₁ = 21.1 cm and r₂ = 32.4 cm. In…
A: Two circular regions R1 and R2 Radii r1 = 21.1cm , r2 =32.4cm In R1, magnetic field B1=52.4mT…
Q: The terminal speed of a spherical particle falling in a liquid is given by 2R²g 9n V = -(Ps P₁),…
A:
Q: 3- Give some application of using concave and convex mirror?
A: Introduction:- Understanding the phenomenon behind a mirror and what makes it a reflecting…
Q: In the figure below, a long circular pipe with outside radius R=2.39 cm carries a (uniformly…
A: we are given R = 2.39cm = outside radius of the circular pipe. I = 7.50mA = current through the…
Q: The magnetic field in the figure is decreasing at the rate 0.2 T/s. (Figure 1) You may want to…
A:
Q: A wire carries a steady current of 5 A. A 2-ft-long straight section of the wire lies along the…
A:
Q: It was a snow day, so Eric and some friends went sledding. He boarded his 60-inch sled and descended…
A:
Q: 5. Calculate the power output in watts and horsepower of an 80 kg man that climbs a flight of stairs…
A: Given data: Mass (m) = 80 kg Height (h) = 6.8 m Time (t) = 40 s Required: Power output in watts…
Q: A model rocket is constructed with a motor that can provide a total impulse of 34.0 N.s. The mass of…
A:
Q: a) 3 m m c) 48 m b) 0.45 m d) 92 m e) 58 m 5) A spring with a spring constant of k= 50 N/m has a…
A:
Q: QUESTION 1 A force system is shown below: Which of the following most nearly gives the magnitude of…
A: The resultant force will be the vector sum of forces acting along x-axis and y-axis. Angle of force…
Q: A 1,380-N crate is being pushed across a level floor at a constant speed by a force of 390 N at an…
A: Given:- The weight of the crate is mg = 1380 N The force that applied on the creat is F = 390 N at…
Q: A piece of irregularly shaped metal weighs 300 N in air. When the metal is completely submerged in…
A: Given data: Actual weight (Wactual) = 300 N Apparent weight (Wapp) = 232.5 N Required: The buoyant…
Q: What is weight? What changes the weight of an object if you move it to another location (ex. Another…
A: No mass and weight are two different things. When there will be mass, it will have weight. Amount…
Q: You are testing the friction between blocks and surfaces, and have devised the system shown in the…
A: Mass m2 =20kg & m1 =75 kg Angle of inclination of plane(theta) =30 degree Coefficient of static…
Q: What is the normal force on an object weighing 437 N at rest on an inclined plane with an angle of…
A: Given data: Weight of object (W) = 437 N Inclined angle (θ) = 29° Required: The normal force on the…
Q: Which statement describes the effect of an inclined plane on the amount of force required to push an…
A: let F is the force to push the object on horizontal surface but on inclined plane , force is…
Q: A gas at 300. kPa occupies 40.0 m³. Find its pressure if its volume is (a) doubled, (b) tripled, (c)…
A: According to Boyle's law pressure is inversely proportional to the volume occupied , if temperature…
Q: A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and…
A:
Q: The flow rate of blood through a 2.00 x 10-6 m radius capillary is 3.80 x 10-⁹ cm³/s. (a) What is…
A:
Q: A 50.3-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…
A:
Q: Chip n Dale play a game where they spin a ball in a circle using a string. The radius of this circle…
A:
Q: The charger for your electronic devices is a transformer. Suppose a 60 Hz outlet voltage of 120 V…
A:
Q: The three 550 g masses in the daigram are connected by massless, rigid rods to form a triangle. What…
A:
Q: Express in Cartesian components; (a) the vector at A(p = 4,6 = 40, z = -2) That extends to B (p= 5,6…
A: First transform the given vectors from cylindrical components to Cartesian components using the…
Q: Two 2.60 [kg] balls are attached to the ends of a thin, massless rod of length 75.0 [cm]. The rod…
A:
Q: solve the Schrödinger equation for a potential barrier, Consider the cases E>Vo to determine R and T
A:
Q: A wave is described by y = 0.019 4 sin(kx - ?t), where k = 2.22 rad/m, ? = 3.60 rad/s, x and y are…
A: Solution -
Q: When the rope is at an angle of a = 35°, the 0.5 kg sphere A has a speed v0 = 1.5 m/s. The…
A:
Q: A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 4.8 x…
A: Given data: Radius of orbital (r) = 4.8×1020 m Angular speed (ω) = 8.1×10-15 rad/s Required: The…
Q: An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 x…
A:
Q: Position (m) 8 N 2 4 Time (s) 6 8
A: The position (in meter unit) as a function of time (in second) is given above in the figure as…
Q: 1. What is the minimum uncertainty in an object's position if the object has a speed of 20 m/s and a…
A: Given, The speed of the object, v=20 m/s
Q: What is the average instantaneous speed of the runner during this 16 s time interval?
A: Solution: Given that the interval of velocity and time since we know that Instantaneous speed is…
Q: A.) An airplane acquires a take off velocity of 150 mph on a 2 mile runway. If the plane started…
A:
Q: If the Sun were 5 times more massive, its gravitational force on the Earth would be a.The same b.5…
A: Given data- the sun were 5 times more massive . We use gravitational force formula-…
Q: How far apart are two identical charges of -6.00 µC if the force between them is 25.0 N?
A: Given, Two identical charges: q1 =q2= -6 μC =-6×10-6 C. F = 25 N. We have to find the separation (r)…
Q: consider a blue ball A which hits a green ball B of the same mass as shown in the figure. The…
A:
Q: The figure below shows an end view of a single-turn square loop of metal wire in the center of and…
A: According to given question,
Q: 1) What is the greater value, the heat needed to melt something or the heat needed to vaporize…
A: Solution to question 1. → the heat needed to melt something is…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- 12. A 0.030-m³ container is initially evacuated. Then, 4.0 g of water is placed in the container, and, after some time, all the water evaporates. If the temperature of the water vapor is 388 K, what is its pressure?The air pressure inside the tube of a car tire is 338.0 kPa at a temperature of 14.5 °C. What is the pressure of the air, if the temperature of the tire increases to 63.5 °C? Assume that the volume of the tube doesn't change. Submit Answer Tries 0/12 What is the air pressure inside the tube, if the volume of the tube is not constant, but it increases from 24.6 I to 25.1 I during the warming process described above? Submit Answer Tries 0/12If an unknown quantity of gas at a pressure of 121.6 kPa, a volume of 31 liters, and a temperature of 87 °C, how many moles of gas do have? 16. Equation/ formula: 17. Temperature in Kelvin: 18. Solution: 19. Answer: 20. Rationale:
- A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the balloon less dense then the surrounding air, the balloon is able to lift objects many times its own weight. A large hot air balloon has a maximum balloon volume of 2090 m3. a. If the air temperature in the balloon is 54 °C, how much additional mass, in kilograms, can the balloon lift? Assume the molar mass of air is 28.97 g/mol, the air density is 1.20 kg/m3, and the air pressure is 1 atm.An isolated quantity of an ideal gas at 297.2 K has a volume of 17.80 L at a pressure of 1.37 atm.What is the volume of this gas sample when the absolute temperature is multiplied by four and the pressure is doubled?If I have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.°C, what will be the temperature of the gas if I decrease the volume of the gas to 2.4 L and change the pressure to 95.0 kPa?
- If I have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.°C, what will be the temperature of the gas if I decrease the volume of the gas to 2.4 L and decrease the pressure to 25 psi?A gas is heated to 75 °C and a pressure of 200 kPa. If the container is compressed to hold a volume of 700 mL, what was the volume of the gas, (in litres), at a temperature of 40 °C and 100 kPa pressure? B. A vessel of volume 5x10-5 m3 contains hydrogen at a pressure of 1.5 Pa at a temperature of 37 °C. Estimate: i. The number of molecules of hydrogen gas in the vessel. (4 marks) ii. The number of moles of hydrogen. iii. Mass of hydrogen iv. The kinetic energy of hydrogen. v. The root mean square speed. Given: M = 1.008 g/mol; R = 8.31 J/mol-K; NA = 6.02 x 1023 mol-1; k = 1.38 x 10-23 J/K2. A balloon has a volume of 4.0 L when at sea level (1.0 atm) at a room temperature of 28°C What will be its volume when inflated with the same amount of gas at an elevation where the atmospheric pressure is 700 mm Hg at 28°C?
- The heat capacity of carbon monoxide is given by the following equation:Cp = 6.385 + 6.77 x 10-4T + 1.3 x 10-7T2 where Cp [=] cal / gmol. ° C T [=] ° CWhat is the enthalpy change associated with heating carbon monoxide from 500 ° C to 1000 ° C?2. 8.00 L of a gas is collected at 60.0°C. What will be its volume upon cooling to 30.0°C? 3. 4.73 L of a gas is collected at 32.0°C and 625.0 mmHg. When the temperature is changed to standard conditions, what is the new pressure?What is the volume of a container that holds exactly 1 mole of anideal gas at standard temperature and pressure (STP), defined asT = 0°C = 273.15 K and p = 1 atm = 1.013 * 105 Pa?