If an axe head is a wedge, are scissors a pair of wedges? why or why not?

Q: Which of the following is not true about Newton's theory for light as a particle? a. Light…

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Q: An aluminum rod 177.4 cm long at 20 °C is heated to 100 °C. What is the new length? Aluminum has a…

A: Given value--- initial length = 177.4 cm. initial temperature = 20 degree C.  final temperature =…

Q: Find the pressure Force=0.78 N Area=0.2 m2

A: Given data : Force=F Area=A   Find : Pressure

Q: A penny is taken from the ground floor to the top of the Empire State Building. Assume that the…

A: a) Penny's kinetic energy just before it hits the road: Use conservation of energy because…

Q: TEXT ANSWER Calculate the total resistance of the circuit shown below. Show your work. 55 Ω 42 Q2 ww

A: Given: The resistances are 42 Ω and 55 Ω. The connection of the resistors is in parallel.

Q: O Ja Dghre swrile The graph below represents *7 points the variation of position of a mass in a mass…

A: The velocity in centimeters per second is equal to the distance in centimeters divided by time in…

Q: For refracted light rays, the angle of refraction:

A: When light goes from rarer to denser medium, the angle of refraction decreases and when light goes…

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: You can estimate the distance to an object by viewing it with your both eyes. What is the technical…

A: The technical equivalent to the above mentioned process is called Parallax method for measuring…

Q: A force of 209 N is applied to an object of area 3 m² find the Pressure?

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Q: Find work done Force applied=0.82 N Displacement=1 m

A: Force applied (F) = 0.82 N Displacement (d) = 1 m

Q: Find the impulse Force=0.621 N Time=0.23 s

A: Given: The force is 0.621 N. The time interval is 0.23 s.

Q: Find the impulse Force=0.621 N Time=0.23 s

A: Given data :                       Force     =     F                       Time      =    t…

Q: Find the pressure Force=0.004 N Area 0.02 m2

A: Given data : Area=A Force=F   Required : Pressure

Q: A coil of wire is made of 520 turns and has an area of 0.30 m². It is placed in a uniform magnetic…

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Q: A motorist travels for 2.2 hours at 72.8 km/h and 2.9 hours at 108.2 km/h. Her average speed (in…

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Q: What is the magnitude force on a proton moving at 2.5 x 10³ m/s in a magnetic field 0.5T If the…

A: Given : v = 2.5 × 105 m/s B = 0.5 T θ = 0° (because velocity is parallel to magnetic field)

Q: The equation Fo True GMm is only valid far from Earth's surface.

A: Newton's law of gravitational force state that the force of attraction between the two mass m1 &…

Q: ture of the air above the ground? 2. What happens to light as it passes through air with varying…

A: solution of above problem is below:

Q: Two charged objects are located 1 m apart. Calculate the magnitude and describe the direction for…

A: Given information  :- distance between the charges in all the three cases r = 1 m q1 = +1 C and q2 =…

Q: Considering the circuit shown below, determine the potential difference Vad in volts. 30 + W 7V 2V[…

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Q: Find the displacement Work done=0.88 J Force=0.2 N

A: Here , Work done (W) = 0.88 J  Force (F) = 0.2 N

Q: Water is streaming downward from a faucet opening with an area of 3.0 x 10-5 m². It leaves the…

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Q: A block of Jell-O is resting on a plate. The Jell-O stands 0.03 m tall and in the shape of a square…

A: Shear modulus is given by the formula G=FhA∆xF = force appliedA = the area on which the force is…

Q: Find the impulse Force=0.621 N Time=0.23 s

A: Given data :- Force F = 0.621 N Time t = 0.23 s

Q: A coil of wire is made of 520 turns and has an area of 0.30 m². It is placed in a uniform magnetic…

A: Given: The number of turns is 520. The area of the coil is 0.3 m2. The strength of the magnetic…

Q: A vertical, open mine shaft of depth 0.80km is flooded with sea water of density p=1030kg/m^3. Find…

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Q: Activity 3: Color me beautiful! Whether you are an artist, a photographer or just an ordinary…

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Q: A 2.0 10-4 kg oil drop is held in place by a downward electric field of 3.00 10² N/C. What is the…

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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: Mass of a car is 120 kg, Calculate the weight?

A: Given value--- mass = 120 kg. We have to find--- Weight of car ?

Q: Given data: Density = Mass = 42 kg Determine the volume 1280 kg/m³

A: Given data:               Density = 1280 kg/m3               Mass = 42 kg

Q: A car accelerates uniformly from rest and reaches a Speed of 22.0 m/s in 9.00 s. If the radius of a…

A: Given data :- initial velocity u = 0 m/s final velocity v = 22 m/s time t = 9 s radius of tire r =…

Q: Find the distance speed=23.77 m/s time=2 s

A: Given data : Time=t Speed=S   Required : Distance

Q: C A 30 2kN 400mm 600mm

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Q: Find the electrical energy consumed in Joules if a toaster of 66 W is used 1500 seconds ?

A: Given value--- power = 66 W. Time = 1500 sec. We have to find--- consumed energy?

Q: Three forces each 8 N are directed clockwise along the sides of an equilibrium triangle 5m on a…

A: a) yes, triangle is in equilibrium to linear motion , since net force is zero.  b) No, triangle is…

Q: Find momentum mass=0.33 kg velocity=0.2 m/s

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Q: g a force and in what direction must Dug pull on the toy now to balance out the combined pulls from…

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Q: Spin # 1 Determine the stopping location of the prize wheel. At this moment it is centered on the…

A: Initial angular speed  wi = 161.50RPM = 161.50*2π/60 rad/s                            = 16.91rad/s…

Q: Find the current Voltage=22 V Resistace=6 Ohms

A: Given data : Voltage=V Resistance=R   Required : Current

Q: What is the SI unit for latent heat of fusion A) Joules B kg-m/s² kg.m²/s² °C D

A: Given Latent heat of fusion is given We have to find the SI unit of it and choose the correct…

Q: How much force is needed to stretch a spring for 0.252 m when the spring constant is 93.8 N/m?

A: We know thatF=-kxHereF=Applied forcex=extension in springk=spring constantNegative sign shows,force…

Q: Find the area Pressure is 30 Newton per metre square Force is 2 Newton

A: Given data : Force=F Pressure=P   Required : Area

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

A: Given data: The amplitude of oscillation is A=20 cm. The speed at equilibrium is v=4 m/s.

Q: Determine Distance covered by train in 1 hr Speed of train=80 km/hr

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Q: A Carnot heat pump supplies 3900 W to keep a room at 23°C while drawing energy from the outside air…

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Q: The total energy of an electron in the first excited state of the hydrogen atom is about -3.4 eV.…

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Q: A point charge of 10C moves with a uniform velocity of u = (3.8-42) m/s in an electromagnetic field…

A: In the given question, Charge (q) = 10C uniform velocity (u) =( 3x^ -4z^ )m/s Electric field (E) =…

Q: 2. A car is to be driven up a 7° incline road. Determine the automobiles braking distance from 30…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”