The bonds between hydrogen and boron are predicted to be

Q: A 1.50 kg book is sliding along a rough horizontal surface.At point A it is moving at 3.21 m/s, and ...

A: (A) According to work energy theorem, the change in kinetic energy of the particle is equal to the w...

Q: An electromagnetic wave with frequency 65.0 Hz travels in an insulating magnetic material that has d...

A: (a)Speed of propagation of the electromagnetic wave in a material medium,v=cμ0ε0                    ...

Q: Two pieces of clay collide and stick together. During the collision, which of these statements are t...

A: Given, two pieces of clay collide and stick together. So, it is the case of an inelastic collision. ...

Q: What product is obtained when the following vicinal diol is heated in an acidic solution?

A: Given: The heating reaction of vicinal diol in acidic solution.  

Q: Consider a double-paned window consisting of two panes ofglass, each with a thickness of 0.500 cm an...

A: Part-a Given: The thickness of the glass pane t = 0.5 cm. The area of the glass pane A = 0.725 m2. ...

Q: A mountain climber, is hanging between 2 cliffs by a rope. She weighs 600 N. Find the tensions in th...

A: As there is no mention of angles made by rope with both cliff , I will assume that the angle made by...

Q: What is true about the vector k?

A: In the wave equation ψ(r,t)= Aei(k.r-ωt), K is known as wave vector. A wave vector is a vector which...

Q: A positive unit charge is at a distance of 200 pm from a molecule of hydrochloric acid. Calculate th...

A: Let p denote the dipole moment of the hydrochloric acid molecule, r denote the distance of the charg...

Q: In a two-slit interference pattern, the intensity at the peak of the central maximum is I0. (a) At a...

A: The intensity of the light waves is I=I0cos2ϕ2 Here,I0  is the intensity at the peak of the central ...

Q: 10) Which vectors in graph below are equal? to too

A: Solution:   Equal Vectors: If two vectors A and B are said to be equal if they have same magnitude(L...

Q: A 75.0 kg painter climbs a ladder that is 2.75 m long and leans against a vertical wall. The ladder ...

A: Given: The Leaf area is  40 cm2 The Mass is 4.5 x 10-4kg The Leaf has an emissivity of 0.85 The Spec...

Q: Telescopes on certain commercial surveillance satellites can resolve objects on the surfaceEarth siz...

A: Given :     Altitude, L = 400 km = 400 x 103 m    Wavelength, λ = 550 nm = 550 x 10-9 m Let R be the...

Q: A box with mass m sits at the bottom of a long ramp thatis sloped upward at an angle a above the hor...

A: Given: The initial speed of box when it moves in the upward direction is u=v0. The final speed of b...

Q: The figure shows a car, of mass m = 1000 kg, traveling east with a speed v, = 24 km/h. At an interse...

A: In a collision, if no external forces act on the system then the total linear momentum of the system...

Q: State one direct and one indirect method of measuring surface tension.

A: One direct method of measuring surface tension is capillary rise method. It is the oldest method to ...

Q: A beam of electrons is accelerated from rest through a potential difference of 0.100 kV and then pas...

A: The kinetic energy of electron is K=eV=1.60×10-19 C0.100 kV×103 V1 kV=1.60×10-17 J The relativistic ...

Q: A batter hits two identical baseballs with the same initial speed and from the same initial height b...

A:

Q: 11.38

A:

Q: 5. Write the steps of calculation in detail As shown in the following figure, the negative charge Q;...

A: Given: The magnitude of the charge   Q1 = - 0.5 μ C The point P at (0.3m,0.4m)

Q: Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m>s and ...

A:

Q: Astronomers discover a planet orbiting around a star similar to our sun that is 20 lightyears away. ...

A: The distance to the planet for an observer on earth is 20 light years. For the entire round trip the...

Q: For a region where the potential V = 0, the wave function is given by √2/∝ sin (3πx/∝). Calculate th...

A: Given: For a region where the potential V = 0, the wave function is given by √2/∝ sin (3πx/∝). The e...

Q: please show all work

A: Given:     mass, m = 20 kg    distance travelled, S = 20 m

Q: Explanation needed for all of them

A: The forces acting on ring tension from cable 1 tension from cable 2  weight of ring The forces act...

Q: 4) Use the graph to find the average velocity from x (m) 10 a) Os to 2 s b) 2 s to 4 s c) 4 s to 5 s...

A:

Q: ww A A 6-kg block moves in a smooth vertical slot as shown. A spring having an undeformed length of ...

A: Given: The mass of the block is m=6 kg. The un-deformed length of spring is xd=0.50 m. The distance...

Q: A parachuter of mass 139 kg above Earth (g = 10 m/s2) experiences a drag force modeled by -0.04 v (N...

A: From Newton's second law of motion mg-kv=mdvdt∫0vdvmg-kv=∫0tdtm-1klnmg-kvmg=tmmg-kvmg=e-ktmv=mgk1-e-...

Q: Does it make sense to say that one vector is the negative of another? Why?

A: yes it make sense. suppose there are two vectors say A and B. if one vector is the negative vector o...

Q: Through what potential difference must electrons be accelerated if they are to have (a) the same wav...

A: (a) Wavelength is, λ=h2meV2meV=hλ2V=12mehλ2V=129.1×10-31 kg1.60×10-19 C6.626×10-34 Js0.220×10-9 m2V=...

Q: solve all the 3 parts make all the calculation proper and do it asap ill upvote you

A: Part-1 Given: The voltage applied V = 1200 kV. The lattice constant a = 2.81 Å.

Q: The equation for the electrical conductivity in terms of electron velocity

A: Given: Equation of electrical conductivity is m(dvdt+ντ)=-eE We know, Current density is J=IA......(...

Q: Moseley found experimentally that the equation describing the frequency of the La spectral line was ...

A: Moseley's law gives a relationship between the frequency of the emitted x-rays and the atomic number...

Q: A 100 kg block of ice slides down an incline that is 5m long and 3m tall. Someone pushes up on the b...

A:

Q: Two blocks are connectedby a very light string passing overa massless and frictionless pulley. Trave...

A: Let w denote the weight of the smaller block, W denote the weight of the larger block, T denote the ...

Q: Object A is moving at speed v in a circle of radius R. Object B is moving at speed 2v in a circle of...

A: (a) Given: The object A is moving at a speed v. The radius of the circle is R. Object B is moving at...

Q: (i) The utilized reflecting plane of a lithium fluoride analyzing crystal has a interplanardistance ...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: Advanced Physics Calculate the specific volume anomaly using a salinity of 25, temperature of 40°C a...

A: Given: The salinity is 25. The temperature is 40∘C. The pressure is 10 decibars. Introduction: Speci...

Q: For waves in shallow water the phase velocity is about equal to the group velocity. What is the depe...

A: Phase velocity and group velocity are related as, ugroup=vphase+kdvphasedk It is given that the grou...

Q: In an L-R-C series circuit, the rms voltage across the resistor is 30.0 V, across the capacitor it i...

A: The rms voltage of the source is, V=VR2+VL-VC2

Q: Two coils are wound around the same cylindrical form, When the current in the first coil is decreasi...

A: (a) The induced emf in the second coil is ε2=Mdidt Here, ε2 is the magnitude of emf induced in the s...

Q: You tie a brick to the end of a rope and whirl the brick around you in a horizontal circle. Describe...

A: Before releasing the brick continue its circular motion with velocity vector tangent to its circular...

Q: A particle slides along the frictionless track shown in Figure 4 starting fromrest at pointA. Find (...

A: