1. Two blocks was pulled by a rope with a force of 50 N, the masses of blocks 1 and 2 are 2 kgs., and 3 kgs., respectively. Calculate the tensions in the rope.

Q: A car has 2 headlights, and their power is derived from the car's battery. The filament in one burns…

A: The correct answer is option (c) i.e. In parallel

Q: > The wires in figure are all made of the same material. 2L 4L 2L r 2r 2r 0 2r A B C D E Rank in…

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Q: What is the difference between momentum and impulse? O Momentum is the product of mass and velocity.…

A: Momentum is defined as the product of mass and velocity P→=m×v→ where P→ is the momentum of an…

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Q: 43) What will be the value of angle C? A. 27° B. 67° O C. 84° OD. 137° 44.) What is the measure of…

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Q: A electric motor has a current running through it and it is rotating counterclockwise in an external…

A: We have an electric motor with a current running through it and it is rotating counterclockwise in…

Q: The driver's manual says a tire car in good condition and at a speed of 80 km / h can stop at a…

A: Write the given values with the suitable variables. u1=80 km/h=80×10003600 m/s=22.22 m/sd1=56.7…

Q: A 2.0 kg object moving along the x-axis experiences the force shown in the figure. The object's…

A: Please note : As per answering guidelines I can answer first question and its sub-parts only. Please…

Q: states that "the pressure of a fluid (liquid or gas) decreases as the speed of the fluid increases."…

A: Given 1st question: Pressure of a fluid decreases as the speed of fluid increases  We have to choose…

Q: Isaac throws an apple straight up (in the positive direction) from 1.0 m above the ground, reaching…

A: In this question they have asked That Isaac throws an apple straight up (in the positive direction)…

Q: bowling ball is dropped from the top of a building that has a height of h = 155 m. 1.Assuming air…

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Q: Consider a 50-N weight suspended by two wires as shown in the accompanying figure. If the magnitude…

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Q: A rocket is fired vertically upward from the surface of the earth at a constant acceleration of 20.0…

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Q: A car moves with velocity of 60km/hr for 45 min. The driver takes a 15min break at a gas station…

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Q: input force is used to exert a large output force by making the area of the output piston larger…

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Q: An electric eel develops a potential difference of 500 V, driving a current of 0.80 A for a 1.0 ms…

A: Potential difference, V = 500 V Current, I = 0.80 A Time, t = 1 ms = 10-3 s Power, P = ?  Energy, E…

Q: A body of mass 5.0kg travelling at 4.0ms-1 east collided elastically with a stationary body of mass…

A: mass of body (m1) = 5 kg initial velocity (u1) of first body = 4 m/s mass of second body (m2)  = 3…

Q: A horizontal force of 220 N is applied to move a 46 kg television set across a 12 m level surface.…

A: Work can be determined with the equation: Work = Force × Distance. The SI unit for work is the joule…

Q: : The radius of curvature of a spherical mirror is 20 cm. What is its focal length?

A: Given: R = 20cm

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Q: A 0.120-kg, 50.0-cm-long uniform bar has a small 0.055-kg mass glued to its left end and a small…

A: Answer:-  For the system to be at equilibrium, the counterclockwise moments must be equal to…

Q: Based from Figure 1, determine W2 and the Net Torque W2 is 13 g and the net torque is 0.002 Nm W2 is…

A: Conditions for a system to be in equilibrium  1. Net force is zero. 2. Net torque is zero

Q: I₁ = 3 (A) a X a a I₂ = 5 (A) a I3 = 8 (A)

A: Magnetic field

Q: A 0.018-kg bullet is fired into a stationary block of wood of mass of 5.1 kg. The relative speed of…

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Q: 8. The hole on a level, elevated golf green is a horizontal distance of 145 m from the tee and at an…

A: Given: The horizontal position of the hole is 145 m. The elevation of the hole is 12.3 m above the…

Q: A capacitor with C = 5 uf is charged with a potential difference of 500v. Now at t = 0 you…

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Q: You recently bought an aluminum (C = 0.9 J/g-K) kettle with a mass of 2 kg. You used the kettle to…

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Q: 1 Nuclear Radius The density of nuclear matter can be estimated by assuming A spherical nucleons of…

A: As radius is given as r=r°A1/3, we will calculate the radius according to this formula .

Q: The sound waves travel with speed of 450 m/s. If is wavelength is 6 m. Calculate the frequency of…

A: Given in question - Speed of the sound waves(v) = 450 m/s…

Q: Two protons (mass m = 1.7 x 10-27 kg, electric charge q 1.6 x 10-19 C) live in the xy plane. Proton…

A: Solution:-

Q: A projectile is launched with an initial speed of 47.0 m/s at an angle of 32 degress above the…

A: Given: initial speed u = 47.0 m/s             angle made with horizontal θ= 32°             Time of…

Q: TV channel 2 broadcasts in the frequency range 52 to 61 MHz. What is the corresponding range of…

A: Given Range of frequencies is 52 MHz to 61 MHz We have to calculate the range of wavelength

Q: (B) Cylindrical Water cans (diameter 6.5cm and length 15cm) are to be cooled from initial…

A: Given Diameter, D=6.5cm Length, L=15cm Initial Temperature, Ti=200.C Ambient Temperature, 10 c…

Q: With explanation, determine unit Vector perpendicular to the plane of A = 21-6j-3K and B = 4;+3j-K…

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Q: A force of 268 N is applied to an object of area 24 m² find the pressure ?

A: Introduction :  In this question we are provided with value of force and area . with these data we…

Q: Gimen data: = 5.2 S Time = force = 32 N Cubulete the Impulse

A: Introduction :  In this question we are provided with value of  force and time . With these data we…

Q: 4. A car starting from rest moves in a straight line with a constant acceleration of 2.00 m/s² for…

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Q: A force in the +x+x-direction with magnitude F(x)=18.0N−(0.530N/m)xF(x)=18.0N−(0.530N/m)x is applied…

A: Given: Mass of the box (m) = 7.10 Kg            Force applied on the box F = 18.0N - (0.530N/m)x…

Q: Find the distance Speed=23.33 m/s Time=2 s

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Q: Metal A is in thermal contact with another Metal B. The two metals have the same length and area. If…

A: Metal expands when heated. Length, surface area and volume will increase with temperature. Given…

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Q: In a materials testing laboratory, a metal wire made from a new alloy is found to break when a…

A: Write the given values with the suitable variables. F=90.8 Nd=1.84 mm=1.84×10-3 m Here, F is the…

Q: A physics book slides off a horizontal tabletoo witha speed of 1.60 m/s. It strikes the floor in…

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Q: Explain the idea that an electric generator is an "electric motor in reverse"

A: Electric motor is an electrical machine that converts electrical energy to mechanical energy.…

Q: A transverse wave on a cable can be modeled by the equation y(x, t) = 0.364 sin(1.30x + 89.8t),…

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Q: An astronaut on the moon throws a baseball upward. The astronaut is 6 ft, 6 in. tall, and the…

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Q: A sphere of radius 0.50 m, temperature 27.0 °C, and emissivity 0.850 is located in an environment…

A: radius of sphere (r) = 0.50 m Temperature of the sphere (T) = 27oC = 300 K emissivity =…

Q: 8. A block slides along a rough incline. Its total mechanical energy (E) and potential energy (U)…

A: when the body moves on an inclined surface, the work done by the body by frictional force is a…

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!