A child pulls a box of toys using a steady force of 10. N at an angle 60o from the horizontal. How much work is done by the child after the box moves with a distance of 4.0 m horizontally?

Q: A basketball rolls without slipping down an incline of 15° below the horizontal. The basketball has…

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Q: An object with mass 0.250 kg is acted on by an elastic restoring force with force constant 10.7 N/m.…

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Q: A solar concentrator uses mirrors to increase the intensity of sunlight to heat a transfer fluid and…

A: So we have given the radius of each mirror of the concentrator is 0.33 m.And there are a total of…

Q: Enter to 3 significant figures = TF3 -10.8 = -9.35 TFA TF₂ (d) Between F₂ and F4 which force…

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Q: Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New…

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Q: Part A- The center of mass of a 1 kg meter stick is 25 cm from the fulcrum on the left side. On the…

A: center of mass of stick = 25 cm distance of rock from the fulcrum = 25 cmFind: (a) Mass of the…

Q: Force-versus-time graph is shown in (Figure 1). ▼ Part A What value of Fmax gives an impulse of 8.4…

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Q: In front of a spherical concave mirror of radius 30.5 cm, you position an object of height 3.98 cm…

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Q: There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as…

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Q: far underwater must you go so that the water pressure is three

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Q: what work must be done for a bubble to increase its radius from 5 cm to 8 cm? consider surface…

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Q: Submit Answer Tries 0/4 (a) his discussion is closed. (b) B (UT) B₁ Bao π/4 0 (rad) (c) (8c29p30)…

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Q: A 1.00x104 kg railroad car is rolling at 6.00 m/s when a 4000 kg load of gravel is suddenly dropped…

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Q: Assume that if the shear stress in steel exceeds about 4.00 x 108 N/m², the steel ruptures. (a)…

A: Shear stress in steel is Diameter is Note:Find:(a) The shearing force.(b) Force required to punch a…

Q: 3. A force of 1.18 N is required to stretch and hold a spring at a length of 0.16 m beyond its…

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Q: An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is…

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Q: In another two-atom molecule that is breaking apart, the force from one atom to the other is given…

A: The potential energy change (ΔU) of the molecule due to the force can be calculated using the…

Q: A 1.90 kg box is moving to the right with speed 9.00 m/s on a horizontal, frictionless surface. At t…

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Q: 6. The Eiffel Tower is built out of wrought iron and is 324 m tall. How much does it height change…

A: The given problem is based on thermal expansion of solids, to solve the given problem we will write…

Q: Part d) and f), please. The other answers are attached for your reference. Part (d) In the…

A: Steps 2 to 3 and steps 4 to 1 are adiabaticSteps 1 to 2 and steps 3 to 4 are isothermal

Q: Question 2 A 50kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 10mV . When…

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Q: At t=0 an object has a position of 1 m and has a steady velocity of -2.5 m/s.   If this were a cart…

A: Velocity is a vector quantity. It has both magnitude and direction.A body has negative velocity if…

Q: Assuming that the Earth has a uniform density p = 5540.0 kg/m³, what is the value of the…

A: Density of the Earth is Distance is Note:Radius of the Earth is The universal gravitational constant…

Q: A 1000-turn solenoid is 50 cm long and has a radius of 2.0 cm. It carries a current of 8.0 A. What…

A: The magnetic field inside the solenoid near its center is uniform and is given by

Q: A body of unknown temperature is taken outdoor where the temperature is constant at temperature of…

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Q: The clarinet is well-modeled as a cylindrical pipe that is open at one end and closed at the other.…

A: The effective length of the column is L=0.391 m.The speed of sound is v=346 m/s.The wavelength of…

Q: A cube of volume 3.0 x10-3 m³ (3.0 L) is placed on a scale in air. The scale reads 267 N. What is…

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Q: Current Attempt in Progress X Incorrect. A 1.57 uF capacitor is connected as in the figure to an ac…

A: Amplitude of emf (Em) = 30.0 V Capacitance (C) = 1.57 µF

Q: 2) The roller-coaster cart starts moving downhill from position 1 at a height of 60m. It reaches the…

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Q: What is the weight, in N, of an object with a mass of 140 kg at a location where g = 9.6 m/s2?…

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Q: 10. In a photoelectric effect experiment, it is observed that green light does eject electrons from…

A: There is a maximum value of the wavelength of the incident wave for which photoelectrons elected.No…

Q: A ray of light in air is incident at an angle of 25.0° on a glass slide with index of refraction…

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Q: Calculate the energy released in the following nuclear fission reaction: 239Pu + n → 98Tc + 138Sb +…

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Q: inclination is 70°. (a) Find (a) the magnitude and direction the force on a proton moving…

A: Given,magnetic declination near Peoria, IL=0magnetic inclination IL=70 degrees The horizontal…

Q: On a cold day the temperature in a certain city changed -14.4 F over 9.6 hours what was the average…

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Q: 10. How much heat would be lost in 3.0 hours through a solid glass window that is 0.95 cm thick and…

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Q: What was the speed of a space shuttle that orbited Earth at an altitude of 1882 km?

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Q: A solid cylinder (radius= 0.200 m, height = 0.130 m) has a mass of 15.4 kg. This cylinder is…

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Q: using a variety of fluids. For which fluid will the column of fluid in the barometer be the highest?…

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Q: your answers to three significant figures. Determine: ▶ Part F Part G

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Q: The figure shows (i) an X-ray tube, along with (ii) a graph of the X-ray intensity versus…

A: Target anode, Z=64

Q: An electromagnetic wave with a frequency of 4.72 x 1014 Hz has a speed of 1.71 x 108 m/s when it…

A: The objective of this question is to calculate the index of refraction of a medium through which an…

Q: The toroid with tightly wound 100 turns of wire is shown below, each carrying a current I = 3 A. If…

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Q: re in the following equation if C₁ = 4.00 μF, C₂ = 6.50 μF, and C3 = 7.20 μF. Determine the value of…

A: The capacitance of each of the capacitors:To determine the value of Ceq (equivalent capacitance).

Q: (2) A block with mass m is sliding with speed vo on a surface that is so slippery it can be…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: A propeller is modeled as five identical uniform rods extending radially from its axis. The length…

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Q: Explain movement following starting of the the object from rest until it accelerates by means of…

A: A box placed on the surface that has friction.Let, the mass of the box be M.

Q: What do and you mean by acceptance angle numerical aperture ? Find the expression for both.

A: We have to  define acceptance angle and numerical aperture and hence write expressions for both.

Q: 10. What is the efficiency of an automobile engine that has a heat input of 67.2 kJ and a heat…

A: Heat output (Q2) = 36.1 kJHeat input (Q1) = 67.2 kJ Efficiency of heat engine     =    = 0.463To…

Q: The combination of an applied force and a friction force produces a constant total torque of 36 Nm…

A: Torque due to a combination of applied force and frictional force is The time for which applied…