B 91 92 C

Q: The diagram shows the position of a block of ice as it moves down a smooth ramp that is 1.60 m long....

A: The velocity of an object is defined as the ratio of displacement to the time taken , that is , v=xt...

Q: You want to create a grandfather clock that will work on the moon where the acceleration due to grav...

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Q: In a concave mirror experiment, an object is placed at a distance x, from the focus and the image is...

A: Given data, distance of the object from the focus = x1 distance of the image from the focus = x2

Q: Atom Ant is traveling with an initial velocity of 20.0 cm/s. He begins toaccelerate at a rate of 8.0...

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Q: An intergalactic spaceship arrives at a distant planet that rotates on its axis with a period of T =...

A: Given, Time rotation period of the planet, T=31 hours The mass of the planet, M=2.1*1025Kg

Q: t5paUZ_gCrhYfD8015PW-oarEp81_bu6Eg/viewfon The mileage given by the odometer of a car is (P.4B) * 50...

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Q: "an e-1 moving with a speed of 10^8m/s enters a magnetic field of 4x10^-3T in a direction perpendicu...

A: The speed of the electron is v = 108 m/s. The magnitude of the magnetic field B = 4x10-3 T.  

Q: please explain each step briefly :)

A: Given data: Function of distance, yx,t=0.35 msin3π/mx-10π/st+π4

Q: John is traveling downhill at a speed of 10m/s on his bike and he hits the brakes. If he is decelera...

A: Using kinematic equation, the expression for find time is v=u+att=v-ua

Q: Please solve it quickly

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Q: Discuss why the study of gravitational field is important

A: According to Newton’s law of universal gravitation published in 1687, each and every object having m...

Q: A long, straight conducting wire crosses the center of an iron ring that is at rightangles to its pl...

A: As per Faraday’s law, an induced emf is generated across a conductor when the magnetic flux related ...

Q: Some amount of KCl has decay rate 5000 Bq. The decay is due to K40 in the substance. Find the amount...

A: Using the expression for activity, R=0.693Nt1/2N=Rt1/20.693=5000 Bq1.251×109 y0.693                 ...

Q: On the graphs below, fill in the misisng graphs. Each set should have a position, velocity, and acce...

A: The velocity of an object is defined as the ratio of the position to the time taken , that is , v=xt...

Q: If +Qı = 10 µC, +Q2 = 50 µC and Q3 are separated as shown in the figure below. What is the %3D elect...

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Q: How does the ideal gas law differ from the combined gas law?

A: Both laws, ideal gas law and combined gas law can be used to determine the pressure, volume or tempe...

Q: A 3kg hammer is 0.4m high. What is its PE?

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Q: Can you help me with that?

A: The energy of the bead at the top is given as, E = mgh E = mg(3.50R) E = 3.50mgR ......(1) Now, the ...

Q: An air puck of mass ml is tied to a string and allowed to revolve in a circle of radius R 5 1.0 m on...

A: The centripetal force is  F =mv2R

Q: A Christmas ball in a shape of a hollow sphere is hung from the tree by a piece of thread attached t...

A: The time period in terms of moment of inertia can be given by T=2πImgR

Q: Renatta grass is out with her friends.misfortunate occurs and Renatta and her friends find themselve...

A: The work done is                              W = Fdcosθ Where, F = Force d = Displacement θ = Angle...

Q: What is the Fnet direction of this system? * %3D norm 3 N Frrict 5 N Torav - Fgrav = 3 N

A: Balance the force in vertical direction- ⇒Fvertical=Fnorm-Fgrav=3N-3N=0 Net force in horizontal dire...

Q: Can you please help me with parts b-d in the picture?

A: The movement of person J ,at each time the position is changed is shown in the graph as:'           ...

Q: hi, can you solve this ? Calculate the average kinetic energy of ejected electrons in units of kJ / ...

A: The electron’s kinetic energy can be determined as, Here, h, c, λ, and ϕ represent the Plank’s cons...

Q: The x and y coordinates of an object with a mass of 2 kg are given as x = t ^ 2, y = 2t ^ 3, with t ...

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Q: An airplane flies 200 km due west from city A to city Band then 300 km in the direction 30.0° north ...

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Q: 90Th232 decays to stable 82Pb208 through alpha and negative beta decay mechanism. What is the total ...

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Q: 3. A transformer has a turn ration of 45/19 with I1 = 55 and Z2 = 0.713 ohm. Determine the power del...

A: The current in the transformer’s secondary winding can be determined as, Here, N and I represent th...

Q: Three resistors with values of 60.0 Ω, 30.0 Ω, and 20.0 Ω, respectively, are connected in parallel t...

A: *We'll answer only the first three sub-parts since the sub-parts to be answered were not specified. ...

Q: 16. A child standing on a bridge throws a rock straight down. The rock leaves the child's hand at ti...

A: Since, the graph of the accelerated velocity-Time graph is parabolic in nature. So, the graph in opt...

Q: Sketch how water curls down a sink, say, in clock-wise rotation. Draw the resulting vector of the cu...

A: Curl is a measurement of how much a vector rotates around a given point. Curl is stated as positive ...

Q: A pilgrim throws a coin down a well with an initial speed of 2 m/s and it takes 10 s to reach the bo...

A: Initial speed of coin (u) = 2 m/stime taken to reach the bottom (t) = 10 seconds   

Q: 9. A paintball gun is fired at a rod of total length L = 40 cm and mass M = 210 g. The rod is fixed ...

A: The angular momentum is conserved. The initial angular momentum of a ball is equal to the angular mo...

Q: 6. What is the kinetic energy of the smoothly rolling wheel of mass 2.5 kg shown in the figure? Ocom...

A: Given: The mass of the wheel is 2.5 kg. The velocity of the center of mass of the wheel is 3 m/s. In...

Q: A wire, carrying five amps of current, goes through a loop.  How much current goes through the loop?...

A: If the current flows outwards, the direction of induced current in the loop will be anti-clockwise (...

Q: Assume that 10 Peanuts is 1 Salt and 1 Cashew is 28 Almond. Convert 6.9 Peanut/Almond into Salt/Cash...

A: Solution: As given that 10 Peanuts = 1 Salt 1 Cashew = 28 Almonds  

Q: A box of mass m=15 kg at the packaging section of a factory comes to the top of a ramp (0=37°) with ...

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Q: i need help with home work  this the first  question   An object has a speed of 2.00 m/s. Three seco...

A: object's initial speed = 2 m/sTime taken = 3 seconds final speed = 8 m/s  

Q: 1. The earth has a radius of approximately 6367 km and a mass of 5.974 x 1024 kg. Show that g 9.81 m...

A: Acceleration due to gravity on surface of Earth is given by following formula: g=GMR2 here, g is the...

Q: You are given vectors A⃗ = 5.4 i^− 6.4 j^ and B⃗ = 3.7 i^+ 6.7 j^. A third vector C⃗  lies in the xy...

A: SOlution: Given that A =5.4 i^− 6.4 j^ and B= 3.7 i^+ 6.7 j^

Q: In the velocity selector shown in Figure , electrons with speed v = E/B follow a straight path. Elec...

A: The speed of the electron in a straight path is calculated as, v=EB Here, B is the magnetic field an...

Q: 21. Choose the free body diagram that matches the following: A bundle of hay is pulled to the left w...

A: Since the bundle of hay is pulled to the left with an increasing speed. The free-body diagram that s...

Q: 1.A ball is fired at the beginning speed of the v and forms an Angle toward the horizontal surface o...

A: Given that, Velocity of ball =v x-component of velocity =vx= vcosθ y- component of velocity =vy= v s...

Q: Distinguish the process of using bare electrodes as against the use of coated  electrodes

A: SOlution: To distinguish the proces of using bare electrodes against coated electrodes.  

Q: When a 4 kg object is hung vertically on a certain light spring that obeys Hooke's Law, the spring s...

A: Given:- vertically hung object  mass = 4 kg            spring stretches =2.50 cm  Find:- work must a...

Q: Suppose we have two points with charge +q, and a point with charge -q between them; the negative cha...

A: a.  Let F1 be the force on rightmost charge +q, due to centermost -q  charge. Therefore, F1=k(-q)(+q...

Q: A rock is dropped from a hill 60 m above the ground. a) When does the ball strike the ground? b)What...

A: (a) The distance that the rock covers while falling is h=60m. The initial velocity of the rock dropp...

Q: 38- As shown in the figure, an object with mass m = 0.4 is released from point A and passes through ...

A: SOlution: As given that mass of the object m =0.4 kg hA =7 m hB = 3 m distance until B is x =12 m

Q: 9. A fireman is sliding down a fire pole. As he speeds up, he tightens his grip on the pole, thus in...

A: SOlution: as given that As he speeds up, he tightens his grip on the pole, thus increasing the verti...

Q: Please explain

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.