A 60 Hz sinusoidal emf wave has a maximum value of 240 V. Determine the instantaneous values of emf 0.004 seconds after the wave passes through zero in a positive direction Need answer asap

Q: Box A has a mass of 11.0 kg, box B has a mass of 8.0 kg. There is an applied force of 29.0 N What is…

A: Given: The mass of box A is 11 kg. The mass of box B is 8 kg. The applied force is 29 N.

Q: Concave spherical mirrors form enlarged images with respect to their object size, while convex…

A: correct option is 2nd Light rays reflected from a concave or converging mirror always form virtual…

Q: Doubling the focal length of the objective lens of a compound microscope will change the…

A: The linear magnification of the objective lens of a compound microscope is given by  M = -L/f where…

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A: Given data :               Deceleration    =   a              Final    velocity    =   v…

Q: 16. Earth has a mass of 5.98x1024 kg and a radius of 6.38x10 m. A 150 kg satellite is placed into…

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Q: )Which of the following is a CORRECT description of the image of a small lightbulb located 40 cm in…

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Q: 37.) Which of the following is TRUE regarding myopic persons?     Their corrective lens is a convex…

A: Step1: Let us understand the concept of the problem. The corrective lens is a concave lens or…

Q: The x and y coordinates of the center of mass of the three-particle system shown y (m) 4 m 3 m - on…

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Q: If you increase by 9 times the spring constant of a spring, how will the frequency of its…

A: Given : If you increase by 9 times the spring constant of a spring, how will the frequency of its…

Q: Part A A microscope with a tube length of 200 mm achieves a total magnification of 400x with a 20x…

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Q: What is the proton's speed as it passes through point P? Express your answer to two significant…

A: A proton follows the following path as per given in the figure  The proton moves with the speed  v0…

Q: Find the gravitational potential energy of a light that a mass of 22 kg and is 5 m above the ground

A: Solution

Q: connected to a 120V source. What current flows

A: GivenPower of electric heater, P=1.2 kW=1.2×103 WSource voltage, V=120 V

Q: A proton moving freely in a circular path perpendicular to a constant magnetic field takes 0.800 μs…

A: Time taken to complete one revolution (T) = 0.80 μsparticle = proton

Q: a) How many atoms of helium gas fill a balloon of diameter 30.0cm at 20.0oC and 1.00atm? b) What…

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Q: Visitors at a science museum are invited to sit in a chair to the right of a full-length diverging…

A: a) Write the lens equation to determine the image distance. So, the magnification will be:

Q: The scale of a spring balance that reads from 0 to 49.9 kg is 20.1 cm long. A package suspended from…

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Q: A 1.7 m tall person stands 8.0 m in front of a camera with a 5.0 cm focal length converging lens.…

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Q: A particle is moving according to a=6*t-4, when t=5 sec., the velocity was 55 m/sec, and…

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Q: age

A: Answer

Q: Find the mechanical energy of a block-spring system having a spring constant of 2.1 N/cm and an…

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Q: A boy swims a lake and initially dives 0.5 m beneath the surface. When he dives 1 m beneath the…

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Q: Part B What is the resistance of a carbon rod at 25.8° C if its resistance is 0.0140 N at 0.0° C?…

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Q: A patient with a near point of 60 cm needs contact lenses. What focal length lens should be…

A: near point = V = - 60 cm object distance = U = - 25 cm

Q: Consider polarized light striking a polarizing filter.  What angle is needed between the…

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Q: (hrw8c15p89) A vertical spring stretches 7.4 cm when a 2.0 kg block is hung from its end. Calculate…

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Q: Suppose an observer measures the speed of an object and determines that it is moving at 6.13 m/s.…

A: only one question is allowed for one post still I help you with 9 questions. please post remaining…

Q: Suppose you have polarized light of intensity 170 W/m2. What will its intensity be after passing…

A: Given: The intensity of the polarized light is 170 W/m2. The angle between the polarizing filter…

Q: Please explain. In the collision of disks, the system is not isolated because of existence of…

A: Explanation (1) : Angular momentum is conserved in this case. Because in the given condition, all…

Q: Why is the 50ev of the de Brogile's wavelength considered as the kinetic energy and not the total…

A: de Broglie's wavelength

Q: A diffraction grating with n = 2.5E-05 lines/nm is used to separate two colors of light. The angle…

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Q: Anti-reflective coatings on lenses use thin-film interference to eliminate the reflection of a…

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Q: In open-heart surgery a small amount of energy will defibrillate the heart. (a) What voltage is…

A: Given that                  The capacitance of the capacitor is (C) = 9.02µF = 9.02×10-6F…

Q: An object has a weight of 9 N when it is in air and 7.2 N when it is submerged into water. What is…

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Q: a cyclotron facility, 106 atoms of F-18 were created. The half-life of F-18 is 110 minutes. After…

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Q: what is the water pressure (in kPa) just under the meniscus in the capillary tube of 0.01 mm if the…

A: what is the water pressure (in kPa) just under the meniscus in the capillary tube of 0.01 mm if the…

Q: briefly describe and illustrated by the diagram the vector influence that the moving electrical…

A: The vector influence that the moving electrical charge has on its environment and what happens when…

Q: You push your physics book 1.10 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Force=0.700N

Q: capillary tube of 0.01 mm diameter if the surface tension of water is 73.6 x 10^-6 N/mm

A: Solution

Q: A bullet of mass 6.00 g is fired horizontally into a wooden block of mass 1.21 kg resting on a…

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Q: What is the ideal speed to take a 112-m-radius curve banked at a 21' angle? m/s Submit Question

A: Given that            The radius of the curved path is (r) = 112m             It is banked at θ =…

Q: Bimby Aquino is in the garden and cutting the grass. He uses the machine that slashes grass with a…

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Q: Visitors at a science museum are invited to sit in a chair to the right of a full-length diverging…

A: We have to apply lens maker formula here

Q: A hydrogen atom consists of a nucleus with a positively charged proton with = 1.6 · 10-19, ºC and an…

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Q: Shown below is a 30-kg block resting on a frictionless ramp inclined at 60° to the horizontal. The…

A: Here m = mass of block N= normal on block , x = elongation in spring , g is the acceleration due to…

Q: Questions: Part I. Conservation of Linear Momentum 1. The velocity vectors pointing left are…

A: The answers are as below .

Q: After a plant or animal dies, its 14C content decreases with a half-life of 5730 years. If an…

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Q: What is the force of gravity between a keen physics student and Earth if the keen physics student is…

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Q: Find the value of work done is 410 J and displacement is 32 m. Find the force applied ?

A: Given data-                            work done ( W ) = 410 J                         displacement…

Q: A 66.0 g stone is attached to the bottom of a vertical spring and set vibrating. If the maximum…

A: Given Information:- Mass of the stone is m=66.0 g=66.0g×1 kg1000 g=0.066 kg Maximum speed of the…