Derive formula for the acceleration with a 'massless' pulley.

Q: ball is kicked at an angle of 55 with initial velocity of 40 m/s. A. Find the time it takes to reach...

A: Here, we calculate the given as follow;

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Q: Find the resultant of the forces: A= 100N, acting 30 degrees to left of the negative y-axis, and B=1...

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Q: Find the expression for the moment of inertia of a uniform, solid disk of mass M and radius R, rotat...

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Q: Solve for the electric field 50cm away from a conductor that has a linear charge density of 25.0 µC ...

A: Given data:  Distance (r) = 50 cm = 0.50 m Linear charge density (λ) = 25.0 μC/m = 25.0×10-6 C/m Req...

Q: A constant braking force of 10 newtons applied for 5 seconds is used to stop a 2.5-kilogram cart tra...

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Q: At a distance r, two equal charges are kept and they exert a force F on each other. What is the forc...

A: Given: At a distance r, two equal charges are kept and they exert a force F on each other. What is t...

Q: Conversation of Units Problem Solving 1. The Tellusian club is preparing for the upcoming event, the...

A: This question is based on Units and Measurement topic. We need to use basic maths to solve the probl...

Q: Four charges are placed on the corners of a square 0.5 m to a side (Figure 1.18). Given Q 33 µC, Q =...

A: As per our guidelines we will solve first three subparts for you. To get remaining subparts solved p...

Q: Which of the following cases have the same magnitude of acceleration O An 8.0-kg object acted on by ...

A:

Q: A 40-kg football player leaps through the air to collide with and tackle a 60-kg player heading towa...

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Q: Suppose you drive from Here to There at a speed of 30 miles/hour and then drive back from There to H...

A: By definition, average speed = total distance traveledtotal time taken. So, if the body moves a dist...

Q: An electron and proton are at rest. They are being separated by a small distance of 0.05 nanometers....

A: Given data:  An electron and a proton at rest  Distance (d) = 0.05 nm = 0.05×10-9 m Required: The di...

Q: A point particle with charge 4e is situated at the origin of a Carte- sian coordinate system while a...

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Q: A satellite is in circular orbit at an altitude of 1500 km above the surface of a nonrotating planet...

A: To find orbital period of the satellite we need to find radius of the planet. For which we use the o...

Q: A force of 10 N directed 150° from the +x-axis. What is the component of the force along the y-axis?

A: given force f = 10 N  angle between x axis is 150 degree

Q: Calculate the electric field 20 cm on a charge 0 = 2.0 x10-7 C. A. 4.5 x10^4 N/c B. 3.6 x10^4 N/c C....

A: Given Q = 2.0 × 10-7 Cr= 20 cm = 20 × 10-2 m

Q: A positive charge of 10^-6C is placed at a certain point in an electric field and experiences a forc...

A: Force in electric charge is given by:- F = Q.E. Here, F = force = 0.30 N. Q = charge = 10-6  C. E = ...

Q: A proton is initially moving west at a speed of 1.01  106 m/s in a uniform magnetic field of magnitu...

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Q: Calculate the electric field 20 cm on a charge Q = 2.0 x10-7 C. A. 4.5 x10* В. 3.6 х104 С. 43000 D. ...

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Q: Q3/ A/ what is the difference between potential energy and elastic potential energy? B/ Prove that E...

A: We want to understand the difference between potential energy and elastic potential energy  

Q: A standard 1-kg mass is attached to a compressed spring and the spring is released. If the mass init...

A: Given value--- mass = 1 kg. acceleration = 5.6 m/s2 . We have to find--- required Force?

Q: The resultant of three vectors is 90.00 cm 34o N of W. If two of these three vectors are 17.89 cm 27...

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Q: Question 2 50 pts X1 X2 A set of parallel wires are separated by a distance (d) of 0.12 meters. The ...

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Q: If we double the distance between two charges, the coulomb force will be reduced by ½ A) Yes B) No

A: The electrostatic force between two charges are separated by distance r is     F=kq2r2 From this equ...

Q: 75 KN 100° (4, 12) 50 kN 160 kN (0, 4) 20° (10, 2) 60° N-m (4 O(0, 0) X- 200 kN 140°

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Q: A Racing carhas oy of 4 m/s? What dis tance will it cover in 2o sec after aterrt P car has a uniform...

A: Given data :              Initial velocity  =  u              Acceleration  =  a                 Tim...

Q: An electric charge produces a total electric field of 6 Coulombs. Calculate the electric flux densit...

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Q: D. How many 1 mm drizzle drops could you make from all the cloud drops? E. How much energy was relea...

A: Given that:Total volume of water: Vw=0.419 m3Radius of drizzle drops: r=1 mm=10-3 mTime, t=20 mins=1...

Q: Given that the position of particle is defined in terms of time by the equation below, where x is in...

A: The position of the particle is given by x=4t3+t2t+3t2t3+4

Q: Problem 7: An alpha particle (consisting of two protons and two neutrons), traveling at a speed of...

A: Particle : Alpha particle Number of protons = 2 Number of neutrons = 2 Speed (v) = 1.4×105 msMagneti...

Q: MY NUTES ASK YOUR TEACHER An elevator and Its load have a combined mass of 1750 kg. Find the tenslon...

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Q: Can storing batteries in a cold place, such as refrigerator or freezer, help prolong its life? Justi...

A: No, it is not a good idea. In short: no. While cold environments help maintain battery life, refrige...

Q: The block W will be acted by a force of 5N vertically downward to descend at constant velocity. If t...

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Q: what do you observe when you rub the ballpen in your skin or hair?

A: Ballpen rubbed on skin or hair

Q: Three uniform spheres of masses m1 = 2.50 kg, m2 = 4.00 kg, and m3 = 6.50 kg are placed at the corne...

A: We can use formula of gravitational force between two masses and theni find the force acting on mass...

Q: Find the magnetic energy stored by a 4.94 mH inductor when the current through it is 1.3 A.

A: Given data:  Inductance (L) = 4.94 mH = 4.94×10-3 H Current (I) = 1.3 A Required: The magnetic energ...

Q: Two point charges, each having +2.5 nC, are separated by a distance of 3.0 cm. (a) What is the poten...

A: The electric potential due to a point charge q at a distance r is given by, V=kqr, where k is Coulom...

Q: When a proton approaches another proton the electric potential energy ________     Select one: a....

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Q: Choose 1 to answer from the following: 1. A stone is thrown upward with a velocity of 30 m/s. Neglec...

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Q: What does kinetics mean? Explain using biology, physics, or non-scientific terms to explain kinetics...

A: kinetics ;-   a branch of science that deals with the effects of forces upon the motions of material...

Q: Calculate the height (in feet) of a building where a 475-g ball was released from rest and strikes t...

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Q: In a symmetrical electric field of 58.3 x 10 , a flat circle with a diameter of 30 cm is positioned....

A: Calculate the area of the circle. A=πD22=π30 cm×10-2 m1 cm22=0.0706 m2 Here, A is the area of the ci...

Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the squa...

A: Given each side of the square a=24cm Charge 1 q1 =4nC Charge 2 q2 = - 6.5nC Charge 3 q3= - 3.5nC We ...

Q: A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 23.0° below th...

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Q: 3000J of heat is added to a system and 2500J of work is done by the system. What is the change in en...

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Q: Gauss’ law for electrostatics states that the net ______ thru any closed surface ( real or imaginary...

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Q: Problem Set 6 (Rotational Kinetic Energy) A metal block with mass m = 7.50 kg is connected by a cord...

A: Given data: The mass of block is mb=7.5 kg. The mass of pulley is mp=1.25 kg. The coefficient of fr...

Q: A car is pushed with a force of 450 N for 19.4 seconds. What impulse was applied to the car?

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Q: Solve for the electric field 50cm away from a conductor that has a linear charge density of 25.0 µC ...

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!