Sofia applies a force of 197 N to pull a pair of identical resistance bands and extend these by 2.5 m. What is the spring constant of a resistance band?
Q: An object is moving along the x axis. The graph shows its position from the starting point as a…
A:
Q: Part D What is the wavelength (in meters) of gamma rays of frequency 6.51x1021 Hz? Express your…
A:
Q: A small insect is embedded in a piece of amber (Index of refraction of 1.6) with a radius of…
A: Distance of insect from the surface, Index of refraction of amber, Index of refraction of air,…
Q: ou took all the matter in Saturn’s rings and packed it into a sphere with an average density of 1.2…
A: The density of the sphere is given by the expression
Q: A 78.0-kg sky diver jumped out of an airplane at an altitude of 0.900 km. She opened her parachute…
A:
Q: The block is made of steel (A) and brass (B) components. Given a 71 m. b-37 m, e-37 m, d-20 m.…
A: a=71m, b=37m, c=37m, d=29m,
Q: 7. A weight of 30 pounds stretches a spring 4 inches. The weight is removed and replaced by another…
A:
Q: Let's say the Earth moves around the Sun in a circular orbit with a constant speed (neither is…
A: The correct answer is B. The work done on the Earth is zero, since the force of gravity is always…
Q: Fm 3.4 cm 30 cm mg 2. Determine how much force is exerted by the bicep muscle in order to hold up a…
A:
Q: A golf ball weighting 0.05 kg is hit at 1000m / s * 2 at an angle of 45 degrees What is the force in…
A: Mass of object is Acceleration is Angle is Note:Find:Horizontal and vertical component of force.
Q: 12. A trail maintenance team is using explosives to remove a 895 kg boulder from a trail. When the…
A: We will use conservation of momentum to solve this problem.
Q: (6) A ball is projected with initial velocity v=8i+6j m/s from the roof -81+6j m/s A of a building…
A:
Q: A batter hits a fly ball with an initial velocity of 37 m/s at an angle of 32° from the horizontal.…
A: Initial velocity of object is The launch angle is Find:The amount of time the player has to position…
Q: A rocket is launched at ground level with an initial speed of 189 ft/s, at an angle of 34° above the…
A: The objective of the question is to find the vertical distance from where the rocket was launched to…
Q: Two blocks (m₁ and m2) are released from rest at a height of h= 14.00 m on a rough track. The…
A: h = 14mm1 = 4.09 kg , m2= 7.93kg
Q: Consider a neutrally charged solid conducting sphere that has three cavities inside it. Three point…
A:
Q: the carrier distribution in the conduction band is:nc(E) = gc(E) . f(E) a) For a non-degenerate…
A: The objective of the question is to demonstrate that the carrier distribution in the conduction band…
Q: 7 moles of a monatomic ideal gas undergo a precess that causes the temperature of the gas to…
A: Given:Number of moles (n) = 7 molesInitial temperature (T₁) = 40°C = 313.15 KFinal temperature (T₂)…
Q: Discussion: 1. 2. 3. In the Newton's ring experiment, how does interference occur? Where have the…
A: In Newton's ring experiment a plano-convex lens is placed on a flat glass surface, creating an air…
Q: On one side of a converging lens of focal length 20.9 cm, you position an object of height 3.48 cm…
A: First we will use the magnification of lens formula which is given by Then we will use the Thin lens…
Q: 3- Using a Michelson, we want to measure the expansion coefficient of a rod. If we place the rod in…
A: Given Data:The length of the rod is The expansion of length ( mirror movement ) The change in…
Q: Here, alpha (the angle at the top of the triangular prism) is 50.1 degrees. What is theta (the angle…
A:
Q: What is the binding energy per nucleon for the following isotopes? Suppose that mn = 1.008665 u, m1H…
A:
Q: The figure shows four isotropic point sources of sound that are uniformly spaced on an x axis. The…
A: Four isotropic point sources of sound are uniformly spaced on the x-axis.Wavelength of sound =…
Q: We saw that the Oort cloud extends to 50,000 AU. What is the orbital period of a comet with a…
A: Given Data:The semimajor axis of comet is According to the kepler's third law,where, is the orbital…
Q: A converging lens has a focal length of 10.0 cm. Locate the images for object distances of (a) 20.0…
A: The objective of this question is to find the image location, nature (real or virtual, upright or…
Q: A 2.12 kg block hangs from a vertical rubber cord. The block is supported so that the cord is not…
A:
Q: A 19-turn circular coil of wire has diameter 0.91 m. It is placed with its axis along the direction…
A: No. of turns = 19Diameter = 0.91 m Earth's magnetic field = 51.0 µT Angle = 180°Time =0.200 s…
Q: Two point charges, +4.40 µC and -8.80 µC, are separated by 1.50 m. What is the electric potential…
A: The charges are The charges are separated by It is required to find the electric potential midway…
Q: ANSWER THE FOLLOWING PROBLEMS AND EXPLAIN YOUR ANSWER FOR BETTER UNDERSTANDIN 01. It is a force that…
A: 1) Gravitational force (It is an attractive force between any two objects with mass)It is given by…
Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…
A:
Q: A light ray enters a rectangular block of plastic at an angle 0₁ = 47.2° and emerges at an angle 0₂…
A: Angle Angle
Q: An electromagnetic wave has an magnetic field given by the expression B=(20.0μT) cos [kx +…
A: Magnetic field, travelling in direction.To find:The color of light.Expression for the electric…
Q: One leg of a right triangle measures 11 cm. The hypotenuse is 1 cm longer than the other leg. Find…
A:
Q: A 1.0-m-tall vertical tube is filled with 20°C water. A tuning fork vibrating at 580 Hz is held just…
A: To determine the water heights at which a standing wave will occur in the tube above the water, we…
Q: (2) Try to draw the following processes of ideal gas passing through point 1 on the given parameter…
A: Constant Pressure : The Y-coordinate is pressure, keeping the pressure constant draw the line.…
Q: Q-1 A point light source has an intensity of 2000 candela in all directions and is mounted 4 meters…
A:
Q: At the end of its life, a star can collapse from the size of our Sun to the size of the Earth. The…
A: White dwarf A white dwarf is a dense, compact stellar remnant that forms after a star exhausts the…
Q: A rigid, uniform, horizontal bar of mass my and length L is supported by two identical massless…
A: A rigid, uniform, horizontal bar of mass m1 and length L is supported by two identical massless…
Q: A spaceship leaves Earth traveling at 0.70c. A second spaceship leaves the first at a speed of 0.90c…
A:
Q: A toy car of mass m slides down a 30cm high incline on the edge of a table. It elastically hits a…
A:
Q: The seconds hand of an old-fashioned clock makes one revolution around the dial per minute . What is…
A:
Q: A star of mass M = 1.82 x 100kg is the origin of a coordinate system. A comet of mass m = 6.95 x…
A:
Q: A spaceship leaves Earth traveling at 0.70c. A second spaceship leaves the first at a speed of 0.90c…
A: The speed of the first spaceship, u1 = 0.7cThe speed of the second spaceship, u2 = 0.9c
Q: A friend speeds by you in her spacecraft at a speed of 0.790 c. It is measured in your frame to be…
A:
Q: A gas is taken through the cyclical process shown in the figure below. If each unit on the…
A: Work done (W) is given by:-where P=Pressure and V=Volume.Hence,Since, there is no change in volume…
Q: Please refer to the Figure which shows the pattern of interference fringes for light of wavelength…
A: The distance between the two adjacent bright fringes is called the fringe width, and the expression…
Q: 20. Two long, parallel wires carry currents of I₁ = 3.00 A and I₂ = 5.00 A in the directions…
A: The magnetic field at a distance r from long wire is B =
Q: Kepler's Third Law and Newton's Law of Universal Gravitation (a) Use Newton's Universal Law of…
A:
Q: Hooke's law describes an ideal spring. Many real springs are better described by the restoring force…
A:
Step by step
Solved in 3 steps with 9 images
- 14. A strain gauge of 150 Ω nominal resistance with a gauge factor GF=1.8 is mounted on a rod. The 3 m rod stretches by only 3 mm under a heavy stress. What is the change in resistance?The capacitor shown below has an initial voltage of 0.15 V before the switch is closed. The resistance is 8.5 x 106 ohms and the capacitance is 2.0 microfarads. How long after the switch is closed in seconds does it take for the voltage across the resistor to drop to 0.083 V? R CH B A DA Wheatstone bridge circuit is shown below. In the circuit, Vo = 10.0 V. R₁ R2= 200.092, R3 = 400.0 Q and R4=450.00. The reading of the voltmeter V is: R₁ R₂ V R4 -R3 Vo
- A metal wire of resistance R is cut into eight equal pieces that are then placed together side by side to form a new cable with a length equal to one-eight the original length. What is the resistance of this new cable?Three resistors of resistances R1 = 14.8 Ω, R2 = 70.3 Ω, and R3 = 39.7 Ω are connected in parallel. What is the equivalent resistance (Req,p)?What is the diameter of a 1.00 m length of tungsten wire whose resistance is 0.22 Ω? Group of answer choices 1.3 x 10^-4 m 5.7 x 10^-4 m 6.5 x 10^-4 m 4.2 x 10^-4 m
- A 0.20-ΩF capacitor is to be charged through a resistor so that it becomes 63 percent charged in0.10 s. What should the resistance of the capacitor be?What is the total resistance of two resistors, R1 = 1.8 Ω and R2 = 24 Ω when they are connected in parallel?PS 2: A 12-volt battery of internal resistance r of 0.05 ohm is to be recharged u, source at the rate of 8 amperes. 30-volt dc a. What resistance R is to be connected in series with the circuit? ANSWER: b. What is the terminal voltage of the battery? c. How much energy in joules is dissipated in the resistor in one hour ? ANSWER: ANSWER:
- PS 2: A 12-volt battery of internal resistance r of 0.05 ohm is to be recharged by a 50-volt dc source at the rate of 8 amperes. a. What resistance R is to be connected in series with the circuit? ANSWER: b. What is the terminal voltage of the battery? c. How much energy in joules is dissipated in the resistor in one hour ? ANSWER: ANSWER:Two 3.0 μF capacitors are in series with a resistor of 150 Ω, a battery of15.0 V, and an open switch. What is the time constant of the circuit? Whatis the equation for the current as a function of time?A wire of initial length L0 and radius r0 has a measured resistance of 1.0 Ω. The wire is drawn under tensile stress to a new uniform radius of r ═ 0.25r0. What is the new resistance of the wire?