Q-1: A horizontal force F = 380 N is necessary to start raising the block A. The coefficient of static friction between all contacting surfaces is 0.28. By neglecting the weight of the wedge, determine the mass of block A? A F B 10⁰

Q: An object attached to a spring oscillates on a frictionless horizontal track with an amplitude A =…

A: Given : A = 0.2 m v = 4 m/s

Q: at 8 m/s. The acceleration in m/s². magnitude of it's

A: Given value--- radius = 28.12 m. velocity = 8 m/s. We have to find--- acceleration?

Q: Our goal in this activity is to explore the force that seems to pull an object down the ramp, that…

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Q: Given a converging lens with a focal length equivalent to 10.0 cm. (a) If an object is placed 30.0…

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Q: A charge of 100 coulombs are transferred in a circuit by a current of 10A. Time taken by this…

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Q: Which one of the following is NOT a source of a magnetic field? Group of answer choices Earth…

A: Magnetic Field is the region around a magnetic material or a moving electric charge within which the…

Q: Which of the following diagrams (of an F-shaped object and a plane mirror) shows the correct image…

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Q: 4. Supporting the sponge and soap box with your right hand at the right end and letting 0 be…

A: 1. If there is no force applied then soap box slide downward.

Q: According to Lenz’s law, a decreasing magnetic flux will result to an induced current that produces…

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Q: A plastic sphere floats in water with 60.0% of its volume submerged. This same sphere floats in…

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Q: A 100 g glass container contains 250 g of water at 15.0 °C. A 70 g piece of unknown material at 100…

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Q: A barometer is filled with oil. How much change in pressure is indicated by a 1.0 mm change in…

A: Given : ∆h = 1 mm = 0.001 m ρ = 8.5 × 102 kg/m3

Q: (f) Determine the total distance traveled between t= 0 and t= 0.56 s. cm

A: part F: Frequency is f=2.70 Hz So time period will be T=1f=12.70 s Amplitude is A=3.40 cm

Q: In Kirchhoff’s rules, what does it mean if a positive value is obtained for a current after solving…

A: 1. If we take current direction in a circuit as per kirchhoff's rules, then we will get either it's…

Q: What is the current in the 20-2 resistor when & = 9.0 V shown in the circuit below? 20 92 15 Ω 30 92…

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Q: 35 grams of solid at 80 degrees Celsius is placed in a 110 grams of fluid at 20 degrees Celsius. The…

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Q: In the circuit shown below, R1-3 ohms, R2-2 ohms, R3-5 ohms, 14 V, 22-10 V, and 236 V. Find the…

A: In the given question, R1 = 3ohms R2 = 2ohms R3 = 5ohms ε1 = 4 V ε2=10V ε3=6V

Q: The mass of Neptune is 1.03 x 1026 kg and its diameter is 4.54 x 107 m . What is yhe magnitude of…

A: We know thatg=Gmr2Whereg=gravitational field strengthG=Gravitational constantm=mass r=radius

Q: A horizontal oscillator need 10 seconds to accomplish 2 oscillations. The angular frequency of this…

A: Given that              The number of the oscillation is (n) = 20              The time taken to…

Q: 3.Starting from the rest and height of 8 m, a 3 kg object slides down a 30° m incline, reaching the…

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Q: Noticeable diffraction will not occur when a the slit of an opening is double the magnitude of the…

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Q: A bar magnet is divided into two pieces. Which of the following statements is true about the force…

A: Bar magnet : A bar magnet is a rectangular piece of an object, made up of iron, steel or any other…

Q: (II) An average active person consumes about 2500 Cal a day. (a) What is this in joules? (b) What is…

A: 4) energy consumed in a day = 2500 Cal

Q: A rock is thrown upward at 15 m/s. How fast is it moving if it is 5 m high?

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Q: 10. A straight long wire carries an electric current out the page. The current is placed in a…

A: W can use the equation F=IL×B The current is out of the page,so it is vertically upward. The uniform…

Q: Three resistors of 6, 12, and 24 are in parallel, and a current of 20 A is drawn by the combination.…

A: Given Three resistors of resistance 6 ohm, 12 ohm, and 24 ohm are in parallel, current = 20 A We…

Q: oscillator needs to accomplish 20 The angular of this oscillator is A horizontal 20 seconds…

A: The time required to complete one oscillation is called the time period. Here 20 oscillations occurs…

Q: For a mass-spring system that undergoes a simple harmonic motion with amplitude A, determine the…

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Q: Calculate the momentum of a car having mass 340 kg moving with a velocity 42 m/s

A: Given data :                   Velocity     =    v                   Mass      =     m           To…

Q: Which describes the image formed on a plane mirror? real, upright, the same size as the object, and…

A: Given Image is formed by the plane mirror We have to find its nature and choose the correct option…

Q: Which situation results to the greatest work done? Group of answer choices a 120 W appliance…

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Q: An object attached to a spring oscillates on a frictionless horizontal track with an amplitude A =…

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Q: 94. A wire with a length of 2.0 m and a diameter of 1.0 mm has a resistance of 0.45 Ω. What is the…

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Q: 00 You can touch the aluminum pan after it has been taken from the hot oven, but you'll burn your…

A: Aluminium has a low heat capacity so transferring a small amount of energy lowers the temperature of…

Q: What is the current in the 20-92 resistor when & = 15.0 V shown in the circuit below? 20 32 www E 15…

A: Required:- We need to calculate the current through 20Ω resistor. Using Ohm's law we will calculate…

Q: The latent heat of fusion of ice is 334 J/g. What does this value means? 334 J of energy is needed…

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Q: maxx of a body s ky з ку is it's weight? what

A: Given: The mass of the object is 3 kg.

Q: Which one of the following phrases is an example of sublimation? * the condensation of steam on a…

A: Sublimation is conversion of a substance from the solid to the gaseous state without becoming…

Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_0. If the…

A: Given:Mass of box is 2 kgInitial velocity is voFinal velocity is 0 m/sWork Done is -36 JTo…

Q: 25" A y - 35"- F = 200 lb O Determine: Moment about point O (in lb-ft) round off to the nearest…

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Q: Identify the type of inertia being described by each of the following statements. Choose the correct…

A: Inertia is the property of an object to oppose any change in its state of uniform motion .

Q: Which of the following can change the pitch of a sound if its value changes? Select all that apply.…

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Q: 73. An electric stove is constructed by applying a potential difference of 110 V across a wire with…

A: P = V2/R = (110)2/10 = 1210 W

Q: An object of mass 2.5 kg sliding on a horizontal frictionless surface with a speed of 4m/s collides…

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Q: The graph shows the change of volume of water with increasing temperature. What could be inferred…

A: Given, Here is the temperature volume graph showing the change in volume when water is cooled from…

Q: A mass-spring system undergoes an oscillation wi an amplitude A= 20 cm and speed at the equilibrium…

A: Given Maximum speed is v_max=4m/s Amplitude is A=0.20 m The expression for the Maximum velocity of…

Q: A large water tank, open at the top, has a small hole at the bottom. The water level is 30 m above…

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Q: van d

A: The ray diagram has been shown below. The object is between focus and center , therefore the image…

Q: A150 cm long copper rod is 3kg in mass. What is the change in length (in centimeters) in the rod if…

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Q: A tank is in the form of inverted right circular cone 8 m across the top and 10 m deep (as shown in…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: