A 50 kg box slides down a 6-meter high plane angled 30o to the horizontal. If the coefficient of friction force between the box and the plane is 0.4 what is the speed of the box at the end of the plane?

Q: You walk 37 m to the north, then turn 61° to your right and walk another 45 m. Determine the…

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Q: A 3 kg mass attached to a spring with a K constant of 5 N/m is stretched by 0.5 m. What is the force…

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Q: what angle is needed between the direction of polarized light and the axies of polarizing filter…

A: Dear student According to Malus Law, the intensity of polarized light is given by: I = I0cos2θ…

Q: Given the acceleration of gravity at a surface of Planet Q is ⅛   of what it is on Earth and that Q…

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Q: In the figure, what is the equivalent resistance (Reg) in 2 between terminals A and B? R1 in R3 R7 A…

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Q: The figure shows a lens with surfaces of radii of curvature r1 and r2. rl r2 Which of the following…

A: Given lens in picture is plano-concave lens. In this lens one surface has zero radius of curvature.…

Q: 3. For both circuits: Determine the potential difference on and the current through each resistor.…

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Q: 4. Converging lenses direct all refracted rays to a single point known as the focus. This function…

A: Farsightedness:-      With normal vision an image is sharply focused onto the surface of retina. In…

Q: Calculate the velocity of a particle with charge q, = 1.6 x 10-19 that moves at right angles to the…

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Q: A current of 3.2 A flows through a conductor for 4.6 s. What amount of charge passes through the…

A: Given data :             Current ( I ) = 3.2 A             Time ( t ) = 4.6 s

Q: in a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0° from a free…

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Q: Find the momentum A car that has a mass of 8020 kg and a velocity of 8 m/s ?

A: Given:- Mass of the car is m=8020 kg Velocity of the car is v=8 m/s Required:- We need to calculate…

Q: B = (long straight wire). 2TR

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Q: A particle charge +3µC is 12.0 cm from a second particle of charge-1.5µC. Which of the following is…

A: electrostatic force F=14πε0q1q2r2

Q: A sailor is being rescued using a boatswains chair that is suspended from a pulley that can roll…

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Q: 14. A ball is thrown vertically upward from the ground with an initial velocity of 20 m/s. (a) How…

A: Initial velocity , u = 20 m/s  When ball is thrown vertically upward the final velocity will be…

Q: When a converging lens of focal length f is used as a magnifying glass, the object distance must be…

A: The use of magnifying glass to view big image of small object.

Q: the rocket starts from rest at t=0 and travel straight up. it's height above the ground as a…

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Q: A force acting 45 degrees below the negative x-axis is equivalent to a force acting Multiple Choice.…

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Q: Determine the location of the center of mass of the system shown in the figure. 0.2 m 0.2 m 2 kg 3…

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Q: 4. For a concave (divergent) mirror with a radius of curvature of 5 cm, place a 3 cm object in front…

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Q: A 252-g object is attached to the end of a horizontal spring. It is pulled with a 7-N horizontal…

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Q: Whale and Kanmuro are two islands located at the Chimera archipelago. These two are separated by a…

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Q: A metallic wire is stretched from original length of 2 m to 4 m. If the original cross-sectional…

A: Dear student The resistance of any conductor is given by formula: R=ρLA Where  ρ= Resistivity L =…

Q: A 1.0-cm-tall object is placed 4.0 cm to the left of a converging lens with a focal length f1 = 5.0…

A: We have object of height ho=1 cm which is placed at a distance u1=4 cm from a converging lens of…

Q: 103. The diagram below shows a compass placed QuestionS 100. In order to produce a magnetic field,…

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Q: Jackie Chan and Bruce Lee engaged in an extreme fight. During its intensity and burst of powers,…

A: Initial angular velocity is ωi=600 rpm=600×2π60  rad/s=20π rad/s Final angular velocity is ωf=0…

Q: Find the momentum A car that has a mass of 8020 kg and a velocity of 8 m/s ?

A: Momentum, p = m×v

Q: 2. You need a 45 Q resistor, but the stockroom has only 20 Q and 50 Q resistors. How can the desired…

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Q: A wire that is 1.50 m long at 25°C is found to increase in length by 1.90 cm when warmed to 420°C.…

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Q: What is the efficiency of an engine that received a 57 kJ of energy from a reservoir and produces…

A: Given: The received heat by the engine is 57 kJ. The work produced by the engine is 1900 J.

Q: 3. Use the table of values in SSLM week6, p3. Calculate the resistance of copper wire, 100m length,…

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Q: Work out" a particular example (using vector fields) of applying Ampere's Law to compute an induced…

A: If a magnetic field is induced by an electric current or a change in an electric field, it is said…

Q: Sample Problem 1. A stone is thrown horizontally from a cliff with a velocity of 7m/s. What is the…

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Q: A converging lens causes an object 80.4 cm from the lens to create an image 78.6 cm from the lens on…

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Q: How many of the following statements are FALSE?           It is not possible to make a…

A: According to Heisenberg uncertainty principle it is impossible to make a simultaneous determination…

Q: A vector has a magnitude of 10.1 units, and a direction of 44.40 above the positive x axis. What are…

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Q: 7. Laser light of 530 nm falls upon parallel slits spaced 0.25 mm apart. How many total bright…

A: Only one question will be answer per post. please kindly post remaining question in new post.

Q: 3) Since we are treating light as a particle, it is appropriate to consider a pool ball bouncing off…

A: From the labels along the right traingles below we see that θ=ϕ

Q: Draw field lines for the following charge Note: Make sure to follow the properties of filed lines…

A: Given:-  We have given the charges as shown in the above in the question.  Find:-  We have to draw…

Q: 4. Calculate а. Current in each resistor b. Voltage in each resistor C. Power in each resistor R1 R2…

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Q: shown in Figure 1 of the ski ramp, you need to make sure that the skier lands safe once they jump…

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Q: 4. An 80-lb girl climbs a 12-ft rope in 7.5 s. Her average power output is a. 0.13 hp b. 0.19 hp c.…

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Q: 01 02 If the tension in the string T1= T2 = 50 N T1 T2 and e;=02 = 25º, The magnitude of w is %3D W…

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Q: A conducting loop with area A sits in a uniform magnetic field of strength B, pointing out of the…

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Q: An ?=45.0 cm wire is moving to the right at a speed of ?=7.90 m/s across two parallel wire rails…

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Q: The area of a 140 turn coil oriented with its plane perpendicular to a 0.32 T magnetic field is…

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Q: person is standing on an incline with a slope of 20° (with respect to the horizontal direction). The…

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Q: In a rectangular coordinate system, consider the charges 1 = -4µC at (5, 7) cm 92 = 6µC at (-1, 5)…

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Q: A boll rounds a 16 m radius curve at 8 m/s. The magnitude of it's acceleration in m/s?

A: Given data :                       Radius    =    R                      Speed     =     V…