A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below. What is the angle of incidence e, (in degrees)? 2.67 mi -2.01 m HINT

Q: ou are working in a cardiac unit an are tasked to determine the percentage of blockage in a patients...

A: Given: The average blood velocity for a non blocked artery: v1 = 30 cm/s; The blood velocity at the...

Q: Calculate the width the interference fringe in the middle of the screen between two slits given the ...

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Q: A rock is thrown down into a well with an initial downward speed of 3 m/s. the rock hits bottom 1.8 ...

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Q: Find the mass of an automobile that weighs 18,241 N.

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Q: The batteries shown in the circuit in the following figure have negligibly small internal resistance...

A: Given:

Q: A jet aircraft with a mass of 4,375 kg has an engine that exerts a force (thrust) equal to 59,900 N....

A: Given data:  Mass (m) = 4375 kg Force (F) = 599 00 N Time (t) = 7 s Initial velocity (Vi) = 0 m/s Re...

Q: You are instructed to travel 12.0 m and then 10.0 m. You use these instructions such that your dista...

A: TOTAL DISTANCE TO BE TRAVELLED IS   12.0 + 10.0 = 22.0 m given that distance D from initail point is...

Q: 1. In the calculation of the perimeter of a square measuring: 5.0 cm +.05 cm by 5.0 cm ±.05 cm, What...

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Q: 4) For the circuit in figure the ammeter A and the voltmeter V are ideal. A a) What is the current t...

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Q: . A 35 mF has a potential difference of 6V. What is its charge?

A: Capacitance, C = 35 mF  Potential, ∆V = 6 V  Charge, Q = ? 

Q: A10.0-g marble slides to the left with a velocity of magnitude 0.400 m/s on the frictionless, horizo...

A: mass of first marble (m1) = 10 g initial velocity of first marble (u1) = -0.4 msmass of second marbl...

Q: 00 kg attached to its top. The assembly is free to pivot about a frictionless axle through the bot z...

A: GivenL=22.2 cm=0.222 mm=1.2 kgd=10 cm=0.1 mM=2 kg

Q: Question 3. Consider the combination of the resistors as in Figure 1. Find (a) the equivalent resist...

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Q: A point charge of +4.5 µC is 12cm distant from a second point charge of −1.50 µC. Calculate the magn...

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Q: Using the figure, indicate in the points the energy conversion of the car.

A: As we know that when something is at a height then it contains potential energy and when it comes do...

Q: 7. Light propagates from air to water with an incidence angle 0,. The direction of the incident magn...

A: Draw the schematic diagram as below. Here, Bi will be always 90° from the direction of propagation ...

Q: A stone is at rest on a spring, compressing the spring by 10.0 cm. The stone is pushed down a furthe...

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Q: A point charge of 12 pC experiences an intensity of 6 x10^-3 N/C. How far is the point charge from t...

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Q: A sinusoidal wave travelling in the +x direction has an amplitude of 10 cm, wavelength 40 cm and fre...

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Q: Interference bands are produced when monochromatic light is incident on two slits which are 0.09 mm ...

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Q: E = 48.0 V, r = 0 1.00 N 3.00N ww 7.00 Ω 5.00 Ω +

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Q: A pendulum of mass 50 gm and length 90 cm is left to swing from an intial angle of 30 degrees, and s...

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Q: 2. In the calculation of the area of the same square measuring: 5.0 cm ±.05 cm by 5.0 cm ±.05 cm, Wh...

A: The area of square is, A=a2 Here, a is the side of the square.  

Q: parallel plate capacitor is connected to a battery. If the plates are moved closer together, how are...

A: Capacitance of parallel plate capacitor C = ε₀ A/d   A = area of plates d = distance between the pla...

Q: A particle having charge Q= 60 microcoulomb moves with a velocity V= 4 X10 m/s in a magnetic field B...

A: Given Charge of the particle is q=60 μC=60×10-6 C Velocity of the particle is v=4×106 m/s Magnitude ...

Q: A 0.150-kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.8...

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Q: A progressive wave y (x, t) = 0.2 sin (30t – 4.0 x) where x is in in cm and t is in s. Calculate: (a...

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Q: An applied force of 115 N is used to accelerate an object to the right across a frictional surface. ...

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Q: A crate with a mass 32.5kg initially at rest on a warehouse floor is acted on by a net horizontal fo...

A: Given: The mass of the object is 32.5 kg. The net force on the object is 140 N horizontally. The tim...

Q: What is the magnitude of the electric field 29.7 cmcm directly above an isolated 2.71×10−5 CC charge...

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Q: What is the acceleration of a rock at the top of its trajectory when it has been thrown straight upw...

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Q: Find the far point of an eye for which a prescribed lens has an optical power of -2.9 d. _____cm

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Q: particle moves according to a law of motion s = 2t^3 − 9t^2 + 12t + 1. a. Determine the velocity of ...

A: Velocity is the displacement per unit time v =ds/dt Acceleration is the rate of change of velocity a...

Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s = ...

A: (a) The slope of the stress-strain graph gives the Young's modulus of the material.  

Q: What is the radius of a 235.00m length of gold wire whose resistance is 0.32 KΩ

A: The resistance of a wire is given by R = ρLA, where ρ = resistivity of the material L = length of th...

Q: 3. Angular momentum and rotational kinetic energy A man with mass m stands on a freely rotating disk...

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Q: Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Th...

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Q: Concentric metallic hollow spheres of radii R and 4R hold charges Q, and Q, respectively. Given that...

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Q: A 30 m long weightless beam has an 82 kg mass resting on one end and a 64 kg mass on the other end. ...

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Q: A homogeneous 800 kg bar AB is supported at either end by a cable Bronze Steel show. Calculate the s...

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Q: A 1.20 kg drone is being used to make video for use in University promotional materials. It is flyin...

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Q: When a rubber comb is rubbed with human hair, the comb acquires a charge of magnitude 3.00 nC. (a) D...

A: charge acquired by comb (Q) = 3 nC   

Q: Determine the alien planet's free fall acceleration & the tension in the left string. alien planet's...

A: For equilibrium net force as well as net torque acting on the system must be zero.

Q: Pc А B 44m The ball moves with its speed steadily rise over time, starting at 50 kph at A. During 13...

A: Radius of curvature = velocity2normal component of acceleration normal acceleration at point A = 50×...

Q: A bumblebee flies with a ground speed of 14.9 m/sm/s . Calculate its speed in kilometers per hour (k...

A: Given data:  Speed (v) = 14.9 m/s Required: Speed in km/h

Q: When two thin lenses with focal lengths a and b are in contact, the focal length, F, of the combinat...

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Q: A hollow drinking straw is placed in a glass of warm water. Suppose that some of the water started t...

A: We have a glass of warm water in which a hollow straw is placed. The water starts to rise in the str...

Q: As shown below, on Venus a beam of length L is leaning against a frictionless wall and is in static ...

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Q: TV channel 2 broadcasts in the frequency range 50 to 59 MHz. What is the corresponding range of wave...

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Q: The coefficient of friction for plastic on wood are 0.50 (static) and 0.40(kinetic) . How much horiz...

A: When an object is at rest on a surface, if we apply a force, friction acts to stop its movement. The...