The puck in the figure below has a mass of 0.260 kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 90.0 cm/s. The string is pulled downward 15.0 cm through the hole in the frictionless table. Determine the work done on the puck. (Hint: Consider the change of kinetic energy of the puck.)

Q: 5. The diagram below represents an electric circuit consisting of a 12-volt battery, a 3.0-ohm…

A: Given data:  Two resistors are connected in series combination R1 = 3.0 Ω and R2 = ?  Battery…

Q: 3. Two identical resistors connected in parallel have an equivalent resistance of 40. ohms. What is…

A:

Q: Substitute appropriate SI units into the formula τ = Iα, solve for I and show that the units of…

A:

Q: In the figure, a 100-turn coil of radius 2.1 cm and resistance 6.O Q is coaxial with a solenoid of…

A:

Q: 3. The semicircular plate has a radius of 0.3 m and a mass of 6 kg. Which of the following is the…

A: Given, mass of the semicircular plate, m = 6 kg radius of the plate, a = 0.3 m d = 0.127 m

Q: Consider the following statements regarding resistance strain gauge 1) The gauge factor is in the…

A: Answer:- 1 and 3 (1)The gauge factor is in the range of 2 to 5. and  (3) The resistance increases…

Q: Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If…

A:

Q: A satellite moves in a circular orbit around Earth at a speed of 5206 m/s. (a) Determine the…

A:

Q: A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. The…

A: Write the given values with the suitable variables. d=2.54 mλ=613 nm=613×10-9 ml=3.84×108 m Here, d…

Q: 1. What is proportional to the magnitude of the induced emf in the circuit? A. Rate of change of…

A:

Q: A 300-g stone is thrown with an initial velocity of 7.50 m/s. Calculate for the change in potential…

A: Maximum height h=v2/2g =(7.50)^2/(2×9.81)=2.866 m. So potential energy =mgh. =300×10^-3×9.81×2.866…

Q: Car A is moving with a constant velocity 6.23 m/s while Car B starts from rest and accelerates with…

A: Given: The speed of car A is 6.23 m/s. The initial speed of car B is 0 m/s. The acceleration of car…

Q: Dimetrodon treks at 1.9 m/s. How long would it take to walk 2.5 km? #12 Sig Figs

A: Given data-      Dimetrodon speed (u)= 1.9 m/s     distance travelled (d) = 2500 meter Explanation…

Q: a finds an unlabeled box of fine needles, and wants to determine how thick they are. dle is less…

A: Given:-  Wavelength (λ) = 670 nm  it projects a circular diffraction pattern on a wall 21.7 m away.…

Q: A cylinder with moment of inertia I, rotates with angular velocity wo about a frictionless vertical…

A:

Q: A 7.0 kg bowling ball moves at 2.05 m/s. How fast must a 2.80 g Ping-Pong ball move so that the two…

A:

Q: 0- 1 4 A В Time (s) Two identical objects, A and B, move along straight, parallel, horizontal…

A:

Q: A wheel that is 34.0 cm in diameter rotates through an angle of 13.8 rad as it slows down uniformly…

A: Rotational motion can be defined as the motion of an object around a circular path in a fixed orbit.…

Q: ly upward with a speed of 12.0 m/s inside a bus moving at 9.0m/s. what is the velocity of a ball as…

A: Given:-  The velocity of the bus is  u = 9 m/s  The velocity of the ball's vertical upward direction…

Q: If a car requires 30 seconds to accelerate from zero to 90 km per hour, its average acceleration is…

A: Acceleration a=velocity/time. Velocity v=(90×10^3)/(3600) =25m/s

Q: Q.2 Put the word (True) or the word (False) of the flowing expressions; True False 1. A partical is…

A:

Q: A 200 Q resistor is connected in series with a 4.00 µF capacitor and an ac source. The voltage…

A:

Q: An air-filled cylinder with a movable piston has a heat reservoir in contact with it. The heat…

A: Given data:  Heat added (Q) = 850 J Work done by the piston (W) = 437 J Required:  The change in…

Q: The acceleration of an object is directly proportional to the forces acting on it. O True False

A: By Newton's second law of motion we know that  F=ma (1)

Q: he unit of strain is: A (a) pascals B (b) metres O (c) dimension-less D (d) newtons (E) e. No answer

A:

Q: A magnetic field with the time dependence shown in the figure below is at right angles to a 155-turn…

A:

Q: A typical incandescent reading lamp runs at 60W. If it is left on constantly, how much energy (J) is…

A:

Q: Light of wavelength λ = 590 nm passes through a single slit of width w = 3.6 μm and illuminates a…

A:

Q: A racing van has a uniform acceleration of 15 m/s2. What distance will it cover in 8 seconds after…

A:

Q: 3. A 1.5kg book is sliding along a horizontal surface. At point A, it is moving at 3.21m/s, and at…

A:

Q: Is the number of protons present inside the nucleus is equal to the number of electrons outside the…

A: Introduction :- The given statement is based upon the fact that whether an atom is charged or…

Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s? .How long will it take…

A: Given Initial speed of the bus is v0=21 m/s Deceleration of the bus is a=3 m/s2 Final speed of the…

Q: A circular loop carrying a current of 1.25 A is oriented in a magnetic field of 0.22 T . The loop…

A: Given, Current in the circular loop, I = 1.25 A magnetic field in the region, B = 0.22 T area…

Q: Select all the field forces. O Tension O Frictional Air resistance Electrical Magnetic O Applied O…

A: Field forces:

Q: + : Apr 27, 20Z2 at 5.11 AM Cord Platform Platform

A:

Q: 1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 ft. If the…

A: As given, A distance, s=254.5 ft Maximum height, h=64.4 ft Acceleration due to gravity, g=32.2 fts2…

Q: A 33.0kg box rests on a horizontal surface with coefficient of static friction of 0250 and a…

A: Given Data: The mass of the box is: m=33.0 kg The coefficient of static friction is: μs=0.250 The…

Q: 7. You increase the amount of work being done on a box when you A. increase the distance to where…

A: According to guidelines we are allowed to solve only  3 MCQs, please post the others in the next…

Q: compute for the current on each resistor

A:

Q: The normal force is always perpendicular to the surface. True False

A: As per Newton's third law, for every action force, there is a reaction force.

Q: A friction experiment is performed on a planet that has the same mass as Earth but half the radius.…

A: Write the given values with the suitable variables. Mp=MrP=r2F=15 Nm=1 kgμ=0.3 Here, Mp, M, rP, r,…

Q: According to the label on a bottle of 10 points salad dressing, the volume of the contents is 0.473…

A:

Q: 3. A gas is under pressure of 40 bar abs at 40°C. a. Compute the pressure in kPa b. Compute the gage…

A:

Q: Find the grari datimal Atential of o Jight that a mass of 24 kg and is 8m above the griound ? prari…

A: Given data :               Height    =   h              Mass      =   m     Gravitational pull   =…

Q: Problem 1: A wheel that is 34.0 cm in diameter rotates through an angle of 13.8 rad as it slows down…

A:

Q: Pickured below is a melal disk (=0-3700 m) and (m=2.435 kg), The disk starts at rest, but beging to…

A:

Q: Also known as a supporting O Normal Force Gravitational Force Tension Force

A: Also known as a supporting force which balances the weight of an object or a person against a…

Q: A merry-go-round rotates at the rate of 0.20 rev/s with an 80-kg man standing at a point 2.0 m from…

A:

Q: 2. A man of mass 80.0 kg is standing at the center of a rotating disk of mass 20 kg and radius 65 cm…

A: Given Mass of the man = 80 kg Mass of the disc = 20 kg Radius of the disc = 65 cm Radius of cylinder…

Q: 1. If the acceleration of an object is zero, are no forces acting on it? Explain. 2. If an object is…

A: