T = 27

Q: On a frictionless horizontal surface, you push m2 with force F on a book of mass m¡ that in turn pus...

A:

Q: An orbit is a distinct path followed by an object in its revolution around another object. An atomic...

A:

Q: A 75.0-kg man stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in 2....

A: a)

Q: An automobile starter motor has an equivalent resistance of 0.0500 Ω and is supplied by a 12.0-V bat...

A: Given data:     The voltage of the battery is: E = 12 V The internal resistance of the battery is: r...

Q: A paratrooper with a fully loaded pack has a mass of 119 kg. The force due to air resistance on him ...

A:

Q: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

A: We know, color yellow is the mixture of primary color red and green and magenta is a mixture of red ...

Q: After two time constants, what percentage of the final voltage, emf, is on an initially uncharged ca...

A: Final voltage is calculated as,

Q: A piece of iron sinks in water , but a ship made of iron floats in water. Why?

A: The density of iron is more than the density of water.   So the weight of the nail is more than the ...

Q: A 75-kg cross-country skier glides over snow as in Figure P11.29. The coefficient of friction betwee...

A:

Q: A photographic film is coated with a silver bromide layer. When light falls on this film, silver bro...

A: Work function,

Q: A stainless-steel orthodontic wire is applied to a tooth. The wire has an unstretched length of 3.62...

A: Given Data   The length of the wire is L0 = 3.62 cm. The radius of the wire is r = 0.13 mm. The chan...

Q: 3.  If a sample emits 2000 counts per second when the detector is 1 meter from the sample, how many ...

A: Given data The number of counts initially is: N1 = 2000 counts/s The distance of the detector is: d1...

Q: 7) A liquid of density 1.51 × 10° kg/m³ flows steadily through a pipe of varying diameter and height...

A:

Q: An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) Calculate t...

A:

Q: (II) A light-year is the distance light travels in one year (at speed = 2.998 × 10° m/s). (a) How ma...

A:

Q: A large cruise ship of mass 6.50 × 107 kg has a speed of 12.0 m/s at some instant. (a) What is the s...

A: Given , the mass of cruise ship m=6.50 x107 kg and its initial speed u=12 m/s So the initial kinetic...

Q: When a flashlight submerged in water shines up into the air above, does the speed of light increase ...

A: A flash light submerged in water.   

Q: The diagram at the right shows two identical resistors - R1 and R2 - placed in a circuit with a 12-V...

A: Given: A circuit with two resistances in parallel

Q: An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.255 V/m imposed along...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: A 5.00×105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spri...

A:

Q: Some people say that all things are possible. Is it at all possible for a common hydrogen nucleus to...

A: Hydrogen nucleus has only a single proton. An alpha particle is a helium nucleus and hence has two p...

Q: 5) The Atwood machine consists of two masses hanging from the ends of a rope that passes over a pull...

A:

Q: Give proper solution for the following (well explained and step by step) Thank you

A: Given: refractive index of glass, n =1.4  angle between refracted ray and reflected ray are 90°

Q: What happen if the objects' density is greater than, less than or equal to water's (1 gm /cm3)?

A: The object’s having density greater than density of water will sink in the water.

Q: Physics Question

A:

Q: A straight conductor lies along the x axis with its two end points at x= -1.0 m and x=+1.0 m. It car...

A:

Q: Is light a wave or a particle? Support your answer by citing specific experimental evidence.

A: Given:   Light waves

Q: A platinum resistance thermometer has resistances of 200.0 Ω when placed in a 0°C ice bath and 253.8...

A:

Q: What is grounding? What effect does it have on a charged conductor? On a charged insulator?

A: Grounding is the process to attach the body with the ground with the help of electrically conducting...

Q: A bullet of mass 120g is fired horizontally into a fixed wooden block with a speed of 20 m/s. If the...

A:

Q: A machine produces a sound with an intensity of 2.9 x 10-3 W/m2. What would be the decibel rating if...

A: Here, The decibel rating is given by the equation

Q: How is it possible for an element to decay “forward in the periodic table”—that is, to decay to an e...

A: It is possible for an element to decay “forward in the periodic table”—that is, to decay to an eleme...

Q: Air at 25°C and 1 atm is flowing over a long flat plate with a velocity of 8 m/s. Determine the dist...

A:  

Q: What is the direction of the magnetic force on a positive charge that moves as shown in each of the ...

A: Given:  Motion of positive charge in magnetic field. 

Q: One electron travels twice as fast as another. Which has the longer wavelength?

A: Equation shows that as speed of electron increases, wavelength decreases.

Q: Consider steady heat transfer between two large parallel plates at constant temperatures of T1 = 290...

A: Since you have uploaded a question with multiple sub-parts, we will solve the first three sub-parts ...

Q: Two capacitors C1 = 2.2 ?F and C2 = 1.2 ?F, and are connected in parallel to a 24V source as shown i...

A: In initial arrangement the potential V=24 V The capacitance of the capacitors are C1=2.2µF  ,C2=1.2µ...

Q: What appens to pressure as the gensity of the water increases?

A: According to hydro-static law ,pressure at any height in static liquid is given by , Pressure (P) = ...

Q: Monochromatic light of wavelength λ is incident on a pair of slits separated by 2.40 × 10−4 m, and f...

A: a)

Q: Show that units of V/m and N/C for electric field strength are indeed equivalent.

A:

Q: An interstellar space probe is launched from Earth. After a brief period of acceleration, it moves w...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: A helicopter blade spins at exactly 100 revolutions perminute. Its tip is 5.00 m from the center of ...

A:

Q: Point charges of 25.0 µC and 49.0 µC are placed 0.500 m apart. (a) At what point (in m) along the li...

A: It is given that,

Q: The formula for length contraction gives the length of an interval on a ruler moving with velocity v...

A: Given: The formula for length contraction gives the length of an interval on a ruler moving with vel...

Q: What minimum accelerating voltage is required to produce an x-ray with a wavelength of 70.0 pm?

A:

Q: Which has the shorter wavelengths, ultraviolet or infrared? Which has the higher frequencies?

A: Frequency and wavelength are inversely proportional quantities: The electromagnetic spectrum is arr...

Q: Give proper solution for the following (well explained and step by step) Thank you

A:

Q: Physics review pratice from textbooks number 28

A: Given data:     The first distance towards east  is: d1 = 8 km = 8000 m The time required to cover t...