What is the speed of the rock when the string passes through the vertical position? Express your answer in meters per second. ν ΑΣΦ ? v = m/s Submit Request Answer Part B What is the tension in the string when it makes an angle of 45° with the vertical? Express your answer in newtons.

Q: Problem 5: A box m = 71 kg is being pulled by a constant force F = 150 N at an angle of 0 = 29…

A: mass, m = 71 kg  force, F = 150 N  distance, d = 5.6m  angle, θ = 29°

Q: Find the x-component of this vector. 80.0° B-18.6 m 0 = 170° Bx = [?] m Hint: Bx = B cos(0)

A: The magnitude of vector B = 18.6 m Angle made by the vector B with the +x axis = 170o

Q: Which table correctly displays the information provided within the problem below? A space shuttle is…

A:

Q: Derive the expression for the magnitude of tangential speed, v, as a function of the period of…

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Q: (c) Starting from the satellite on the Earth's surface at the equator, what is the minimum energy…

A: Given that Mass of satellite (m)= 220 kg Height of satellite (h)= 350 km Mass of earth(Me)= 5.97×…

Q: Solve A rock thrown with speed 12.0 m/s and launch angle 30.0 ° (above the horizontal) travels a…

A: initial speed = 12 m s-1Launch angle (θ) = 30oHorizontal distance (d) = 20 m g = 9.8 m s-2

Q: Particles q₁ = -66.3 μC, q2 = +108 μC, and 93 = -43.2 μC are in a line. Particles q₁ and q2 are…

A:

Q: Which table correctly displays the information provided within the problem below? A train travels…

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Q: The motion of a particle is defined by the relation x = 21³ – 15t² + 24t + 4, where x is expressed…

A:

Q: A skate boarder moves at constant velocity across a horizontal surface. She tosses her phone…

A: Given  Phone is vertically tossed wrt surface  And skate board is moving with constant velocity

Q: Thor is battling the Frost Giants and he uses his hammer, Mjolnir, to zap them with lightning. Thor…

A: From the first glance we see that for substitution of velocity in the formula the units mentioned is…

Q: Vx A В

A: The velocity verses time graph is,

Q: If the current in the 8.0-2 resistor is 0.5 A, what is the magnitude of the potential difference,…

A:

Q: Find the direction of this vector. 80.0° B<18.6 m 0 = [?]° Hint: Remember, 0 is the direction of the…

A: Magnitude of the vector 'B' is 18.6m Direction of the vector 'B' is 80 degrees from +y axis.

Q: An electron is projected with an initial speed v0 = 5.30x106 m/s into the uniform field between the…

A: Given:-  An electron is projected with the initial speed v0= 5.30×106 m/s into the uniform field…

Q: Problem 4: An object is thrown straight up from the top of a building that is 28.4 m high. The…

A: Initial velocity of object (u) = 16.6 m/sSpeed of person (v) = 2.9 m/sdisplacement for object when…

Q: 11. Two boxes connected to each other and each with a mass of 24.5 kg is being pulled with a…

A: 11) Given : mass, m = 24.5 kg                  Velocity, v = 11.5 m/s  Formula:             P = m v…

Q: 2). Although it doesn't, let's pretend that Venus has an atmosphere similar to our own. It has a…

A:

Q: slope =..... k=...... Slope = ……. % Error (k) The true value (which used in your experiment), kr =…

A: This problem can be solved using basic formula of slope of any graph and it is related to the…

Q: In the diagram, q1 = +6.39 109 C and q2 = +3.22 10-9 C. What is the electric field at point a + or -…

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Q: 29. A person pushes a block of mass M = 6.0 kg with a constant speed of 5.0 straight up a flat…

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Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: Please help me with all the parts included here, there are multiple, please help

A: Given; ∆ S = 17.28 J/K (This is the change in entropy).  Initially available volume vi = v final…

Q: 4 Under what circumstances is the sign of the velocity the same as the sign of the acceleration? 5.…

A: As directed only question 4 and 5 is answered.  4)  The sign of velocity is same as the sign of…

Q: 8.) A 500 g copper rod is at a temperature of 7 °C. It is heated using 2.5 x 10 J of energy. What is…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Exercise 2.4.6: Suppose you wish to measure the friction a mass of 0.1 kg experiences as it slides…

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Q: 12. What is the ratio of the electrostatic force to the gravitational force between two electrons?

A: 12)the charge on an electron (q) = - 1.6×10-19 C mass of electron (m) = 9.11×10-31 kg Let the…

Q: 13. Complete the following equations: 239 93 Np → Pu + 239 94 32 P → 15 + e+ P

A: 239Np 93 → 239Pu94 + 0e-1 + V-where , = 0e-1

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.