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Q: 23 and 24 please
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Q: FRICTIONLESS A woman resting on ice, with mass 47.8 kg was pulled by a man with force F at 35 degree...
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A: Given data: Magnitudes of two vectors is 12 m and 5 m. Need to determine the range of the magnitude.
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Q: Find the weight, to the nearest kilogram, of the cement block shown.Cement weighs 1700 kg/m2
A: Given- Cement weighs =1700 kg/m2 Length L=40 cm=0.4 m Width w=20 cm=0.2 m Height h=20 cm=0.2 m
Q: A 5.00 kg box sits at rest at the bottom of a ramp that is 8.00 m long and is inclined at 30 degrees...
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Q: Cody throws a water balloon horizontally at 12 m/s out of a window 8.0 m from the ground. How far fr...
A: Given, Cody throws a water balloon horizontally at 12 m/s out of awindow 8.0 m from the ground, i.e....
Q: Point charge A exerts a force of 5 N on point charge B. (a) What force does charge B exert on charge...
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...
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Q: Question 4
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Q: Please answer question 2, parts d and e
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Q: A 3kg book is tossed across the room at a speed of 5m/s. What is the Kinetic energy of the book? ...
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Q: Open the photo
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Q: Find the ratio of energies of photons produced due to transition of an electron of hydrogen atom fro...
A: While transitioning from a higher energy level an electron always releases the excess energy.
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Q: please leave explanations. -0.27 uJ and 0.27 uJ are both wrong. this is just a practice question. t...
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Q: 25 please
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Q: C Question 3
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Q: How much work is done when a 4kg block of ice is moved from rest to a speed of 5m/s? A. 50 J...
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Q: An electron and a photon each have a wavelength of 1.50 nm. Find (i) their momenta, (ii) the energy ...
A: According to the de Broglie wavelength λ =hmv where, mv is the momentum.
Q: Draw the shape of the wavefront coming out of a convex lens when a plane wave is incident on it.
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Q: how to find the mechanical potential energy from a position vs time data table?
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- Consider a power plant is located 60 km away from a residential area uses Q-gauge (A=42.40mm2) wire ofcopper to transmit power at a current of I = 100.00 A.How much more power is dissipated in the copper wires than it would be in superconducting wires?Given n resistors each of resistance R, how will you combine them to get the (i) maximum (ii) minimum effective resistance? What is the ratio of the maximum to minimum resistance?Two 3.8microF capacitors, two 2.2kohms resistors and a 16.0V source are connected in series. Starting from the uncharged state, how long does it take for the current to drop from its initial value to 1.50 mA
- What resistance values can be createdby combining a 1 kΩ resistor and a 10 kΩ resistor?An uncharged 5.9-μF capacitor is in series, through a switch, with a 5.65-MΩ resistor and a 29-V battery (with negligible internal resistance.) The switch is closed at t = 0 and a current of Ii immediately appears. a) Determine Ii.. In unit of μA. b)How long will it take for the current in the circuit to drop to 0.16Ii?How many different resistance valuescan be created by combining three unequal resistors? (Don’t count possibilities in which not allthe resistors are used, i.e., ones in which there iszero current in one or more of them.)
- The circuit shows R= 8ohms, Emf1= 13.1 V and Emf2= 12.1 V. What is the power delivered to the 10R resistor in W?The LED requires a minimum current of 20.0 mA to light. Assuming that your battery is operating at 9.00 V, what would the resistance be if the LED just begins to light up when brought into contact with the end of your carbon resistor? [Answer in kΩ]What capacitance when connected in series with a 500Ω resistor will limit the current drawn from a 48-mV 465-kHz source to 20μA?
- The capacitance in the curcuit is C = 0.3μF, the total resistance is R=20kQ and the battery emf is 12 V. Determine the time is takes for the charge the capacitor could acquire, to reach 99% of max value.The circuit shown has a 10.0 V battery connected to a cube with 2.00 mmsides and a resistivity 24 as well as two cylinders with radius 1.00 mm, length1.00 cm and resistivity 1.80 . Assuming the junction is grounded where theresistors meet, what is the potential at point A?Unreasonable ResultsTwo resistors, one having a resistance of 145 Ω , are connected in parallel to produce a total resistance of 150 Ω. What is the value of the second resistance?
