1. Find the speed of a rock which is thrown off the top of a 20.0 n toll bu.ilding 0 of 15

Q: An open pipe has a piston inserted into one of its ends. A tuning fork with the frequency of 342 Hz ...

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Q: If you run and went back at your initial position, what is your total displacement?

A: If you run and went back at your initial position, then in this total journey your total displacemen...

Q: stant force of 10.3 newtons is used to push a 3.0 kilogram mass 15.0 meters across the floor. How mu...

A: We know that the work done on an object is defined as when a force F is applied to an object of mass...

Q: Admiral Picard is riding a bike between cities on the new Romulan settlement planet. His bike has ti...

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Q: Q2. The vector potential of a single magnetic dipole m is given by: Ä(r) = Ho m x f" [Here, " =F- | ...

A: The vector potential of a single magnetic dipole m is   

Q: When you reverse the direction of the batteries, what happens to the movement of the compass needle?...

A: On reversing the polarity of the battery, current through the wire also get reversed as that of the ...

Q: An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan de...

A: Given: final angular speed ω=80.2 rad/s time t=2.40sangular deceleration α=-54.4 rad/s2we need to fi...

Q: 2. Two point charges, qı=q2=15nC, are located on the x-axis and is 10 meters apart. Assuming that qi...

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Q: gravitational potential energy of a 10•5 kg box on a shelf 6.0 m above the floor. Assume that the de...

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Q: If Seneca decides to walk across town to a store that is. 75 kilometers away and she has only 24 min...

A: Given data :                      Distance  =  d                        Time   =   t        To find ...

Q: A single force acts on a I kg panticle-like object in such a way that the position of the object as ...

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Q: The mirror of a solar cooker focuses the Sun's rays on a point 23.1 cm in front of the mirror. What ...

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Q: Time of flight depends on the angle at which the ball is fired.

A: For a projectile motion, If a projectile fired with initial velocity "u" with angle θ. Then total ti...

Q: 2 -Calculate the atomic number and atomic mass number for atoms with a- 4 electrons and 2 neutrons b...

A: Atomic number is the number of proton present in a chemical material.The proton number is equal to t...

Q: Your answer is partially correct. The figure shows an 7.8 kg stone at rest on a spring. The spring i...

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Q: an uncharge condenser in series with a 120- volt voltmeter of 10 000 ohms resistance is suddenly con...

A: When uncharged capacitor is connected to the battery or a voltage for a long time then it gets fully...

Q: Q2: Show that (A, Ay, A) are related to (Ap, A,Az) using the following matrix: cos o -sin o 0 Ao A A...

A: Ques: SHOW THAT

Q: The elasticity of a good is E=0.2. by (a) A 3% price increase will cause the demand to -Select--- %....

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Q: What is the potential at a point 50 cm from one side of two parallel plates that has a uniform elect...

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Q: 1) A system composed of blocks, a light frictionless pulley, and connecting ropes is shown in the fi...

A: Mass =9kg Coefficient of friction=0.12

Q: Explain why it is thermodynamically incorrect to say that the refrigerator door must be  kept close ...

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Q: ) þraw a graph of į versus r and comment on the graph and also Draw a graph of sin į versus sin r. W...

A: graph 1 i vs r i have drawn it on desmos using the given values of i and r

Q: Let's return to our ball-Earth example, only now let's examine a case where a ball is rising in the ...

A: Near the Earth's surface, the gravitational potential energy of a system consisting of the earth and...

Q: A laser beam of diameter d1 = 1.3 mm is directed along the optical axis of a thin lens of focal leng...

A: Given:   d1=1.3 mmf1=+5.1 cm =+51mmd2=3.9mm

Q: Determine the direction and magnitude of the acceleration for this box on a slope a:? M= SON Mxr 0.5

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Q: 11. Find e (in degrees). (0.35m, 0.49m) Knee Ankle (0.1m, 0.15m)

A: GivenCoordinates of Ankle (x1,y1) = (0.1 m, 0.15 m)Coordinates of Knee (x2,y2) = (0.35 m, 0.49 m)

Q: Since the initial potential energy and final kinetic energy are zero, our equation now becomes EP,f ...

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Q: A thin metal bar of 50.0 cm and a mass of 750 g rests on two metal supports. These supports are conn...

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Q: A long straight wire with current I(1) just touches a loop carrying a current I(2) =1.66A in clockwi...

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Q: A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the ...

A: We will use mirror formula here.

Q: A. from paper to glass B. from rubber to silk  C. from silicon to copper  D. from nylon to steel

A: Given : Tend to lose electrons of a body is large means it can easily give electrons to other body ....

Q: A woman with mass 50 kg is standing on the rim of a large horizontal disk that is rotating at 0.80 r...

A: The unit of angular momentum is kg m²/s.

Q: What is the linear speed of a point that moves in a circle with a radius of 5 cm with an angular vel...

A: GivenRadius of ciorcle, r=5 cm=0.05 mAngular velocity ,ω=2 rad/s

Q: A small fan has blades that have a radius of 0.0600m. When the fan is turned on, the tips of the bla...

A: Write the expression for the angular acceleration. Here, a represents the tangential acceleration a...

Q: A spaceship orbits around a planet at a height of 20 km from its surface. Assuming that only gravita...

A: Given Mass of planet M = 8 × 1022 kg Radius of planet R = 2 × 106 m Height h= 20 km = 20 × 103 m  

Q: A 20 g piece of clay moving at a speed of 50 m/s strikes a 500 g pe The length of a string is 0.8 m....

A: Givenmc=20 g=0.02 kgvc=50 m/smb=500 g=0.5 kgLength of sting ,L=0.8 m

Q: give the resistance of the following resistors based on their color bands a. red-green-green-gold ...

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Q: Question When poked by a spear, an operatic soprano lets out a 1200-Hz shrlek. What is Its wavelengt...

A: Given data :                   Speed of sound  =  v                   Frequency   =   f        To fi...

Q: Q3) a) The critical angle for total internal reflection at a liquid-air interface is 42.5°. (i) If a...

A: Note : we can answer only 1 question and it's related sub-parts. Please, post other question in next...

Q: What is the magnitude of the electric field if a force of 320 N is directed north on a 16nC point ch...

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Q: Light of wavelength 575 nm falls on a double slit, and the first bright fringe of the interference p...

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Q: A flywheel rotating at a speed of 600 rpm about its axis is brought to rest by applying a constant t...

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Q: Find the magnitude of the torque τ on the pole, about point A, due to the tension in the rope. Expre...

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Q: 31. • A car traveling at 25 mi/h is to stop on a 35-m-long shoulder of the road. (a) What is the req...

A: Given that                     The speed of the car is(u) = 25mih                since 1mi/h = 0.447...

Q: 29. Which phenomena refers to the event when a dielectric material inside the capacitor becomes a co...

A: Dielectric breakdown

Q: 5. Three charge spheres are at the position shown in the figure. Charge A (4.67x10°C) is located at ...

A: Given, Three charge spheres, QA = 4.67×10-5 C at 0, 0QB = 8.21×10-5 C at 4, 0QC = 6.72×10-5 C at 0, ...

Q: When heat Q is supplied to a diatomic gas of rigid molecules, at constant volume its temperature inc...

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Q: White light is spread out into its spectral components by a diffraction grating. If the grating has ...

A: Given in question:   Number of slits(N) = 2085 lines/cm = 208500 lines/m                            ...

Q: What is the total charge inside a sphere with a radius of 3.6m and a volume charge density of 6.35x1...

A: Given: volume charge density of sphere ρ=6.35*10-7 C/m3radius of sphere r =3.6m

Q: An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline wit...

A: Given : Angle of inclined pipe = 30.0o Length of inclined pipe=10.0 m Velocity of the fluid in the n...