A 24.5-mW laser beam of diameter 2.02 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror. _____Pa

Q: Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the ...

A: Faradays Law of Induction: The emf induced in the circuit is given by  ε=∆φB∆t where ∆φB= BA is the ...

Q: Three resistors with values of 60 Ω, 30 Ω , and 20 Ω respectively, are connected in parallel to a 11...

A: Given : R1=60Ω              R2=30Ω              R3=20Ω Refer to the circuit diagram below : 

Q: What is the relationship between weight and mass? Which is an intrinsic, unchanging property of a bo...

A: The mass of a body depends on the amount of matter it contains and weight is mass of a freely fallin...

Q: All changes savea 6. Two buses have equal masses (5,000 kg). Bus A is moving at a velocity of 20 m/s...

A: Given- Before collision Two buses of equal masses m=5000 kg Bus A is moving at a velocity vA=20 m/s ...

Q: A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 433 kW-h/y. N...

A: The refrigerator is a device (heat engine) that extracts energy from the sink and deposits on the so...

Q: If a proton and electron are released when they are 2.0  m apart, find the initial acceleration of e...

A: Fe=14π∈0q1q2r2q1=e; q2=-e ;e=1.6×10-19 ; r=2 ;14π∈0=9×109Fe=-9×109×e24=-5.76×10-29Fe=5.76×10-29(sign...

Q: B10 q10.2 A 100 cm wire is used in a potentiometer circuit to determine the Es = 6 V unknown emf's o...

A:

Q: Given the mass of the sun (1.989 x 10^30 kg), calculate the average density of a neutron star with a...

A: Given that:

Q: Three resistors with values of 60 Ω, 30 Ω , and 20 Ω respectively, are connected in parallel to a 11...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: What is the tension in a wire supporting a 1250N camera submerged in water? The volume of the camera...

A:

Q: Determine the current through the resistor in the following figure.

A: Current in 12 Ω resistance can be determined by dividing the equivalent potential across the ends of...

Q: How much energy (in J) is required to evaporate 25% of 4g of water currently at 100 oC? (Fundamental...

A:

Q: The half-life of , a ß- emitter, is 15.8 s. a). How many atoms of are present in a sample with an ac...

A: Given : Half life t1/2=15.8 s Activity  A=0.200 μCi=0.200×10-6 Ci=0.200×10-6×3.7×1010 Bq=7.4×103 Bq

Q: A variable capacitor comprises seven armatures in the form of semicircles with a radius of 2 cm (fig...

A: Write down the given values using suitable variables. Here r signifies radius, N signifies the numb...

Q: You must only answer letter d and e.

A: The equation of wave is given by y(x,t)=Asin(kx-ωt)                   ......(1) where A is amplitude...

Q: find the flux through a curved hemisphere.  Enter your result in units of N*m2/C

A: Given data: Magnitude of the electric field (E) = 3.0 kN/C Radius of the circular rim (R) = 12 cm Ne...

Q: It takes 365.25 days for the Earth to complete one revolution around the sun. Calculate the (a) peri...

A: Given that, Time for one revolution, T = 365.25 days We need to find the period, frequency, and angu...

Q: 1) A spring is hung vertically, and an object of mass m is attached to its lower end. If a spring is...

A:

Q: 1. When you increase the applied force, what happens to the acceleration of the object? Explain.

A: Newton's second law of equation of motion states that the rate of speed change is directly proportio...

Q: Suppose an ideal (Carnot) heat pump could be constructed. (a) Using the equation |Qc| |Qh| ...

A: Given : |Qc|/|Qh| = Tc/Th

Q: A small car has a mass of 800 kg, and its efficiency is 14%. How much energy is transferred from the...

A: Conservation of energy theorem states that energy cannot be created or destroyed. It can only be tra...

Q: What is the average density of a neutron star that has the same mass as the sun but has a radius of ...

A:

Q: A bag of onions weighs 3.00 Ib on Earth. What would it weigh on the Moon, where the free-fall accele...

A:

Q: For the circuit shown, the graph of I (reading of ammeter) versus V (reading of voltmeter) is given ...

A: Given that when S1 is closed then voltage-current relationship is represented by curve 1. Resistor R...

Q: During a bout with the flu an 80 kg man ran a fever of 39 degreees Celsius instead of normal body te...

A: Mass of man,(m)=80 kg -----(1) [Given] Specific heat of the water,(c)=4190 J/kg-oC -----(2) [Univers...

Q: What external work is necessary to bring at constant speed, from infinity, four point loads of 2nC t...

A: At very far distance, there is no interaction between the charges, when they are brought close toget...

Q: Use the multiple choice grid to answer the following T/F questions:

A: A. A particle performing Uniform circular motion repeats its motion after equal intervals thus it is...

Q: Determine the current through the resistor.

A: Given data The voltage of the battery is given as V = 25 V. The resistance of the battery is given ...

Q: Help

A:

Q: BE SURE ANSWER IS IN THE CORRECT UNITS! THANK YOU!!

A: Work done on gas is calculated by area enclosed under P-V graph. Here each slots along horizintal ai...

Q: Draw the problem and answer, thanks.  A charge emanates an electric field of 112 N/C. If this field ...

A: electric flux =?

Q: Part (a) Which of the following are true about traveling waves? Select all that apply. MultipleSelec...

A: In part (a) statements (1),(2) and (3) are true explanation: Wave is a disturbance created somewhere...

Q: Where is the center of gravity?

A:

Q: 23.13

A: Given: Energy acquires by electron E=4.5×10-16 J 

Q: A lightning bolt may carry a current of 1.00  104 A for a short time. What is the resulting magnetic...

A: Since it is supposed that the bolt extends far above and below the point of observation, the bolt ca...

Q: For a brass alloy, the stress at which plastic deformation begins is 350 MPa, and the modulus of ela...

A: Solution: Given that Plastic strentgh = 350 MPa E = 103 GPa

Q: The bar is 10m long. A mass of 40kg placed at 9m from the left in of the bar. Where should a 60kg ma...

A: Given: length of bar l=10 mmass placed m1 = 40 kg at r1=9m from leftmass placed m2 =60 kg we have to...

Q: A wheel is reaching to an angular velocity of 20 rad/s in 10 seconds from rest. Find its angular acc...

A: Given data The initial velocity of the wheel is given as ωi=0 rad/s The final velocity of the wheel...

Q: can you please ans (c) & (d)?

A: Given : Frequency of oscillator   f=3.5 kHz=3.5×103 Hz Length of metal rail L=14 m  Time t=0.0061 s

Q: If a proton and electron are released when they are 2.0  m apart, find the initial acceleration of e...

A: Let us consider the charge on proton & electron be (QP) & (QE) in coulomb and separated by a...

Q: A long wire with a radius of 0.400 cm carries a current. The potential difference across a 3.00 m lo...

A: Given The radius of the wire is r=0.4 cm=0.4×10-2 m. The potential difference across 3 m long wire ...

Q: Do you need to continue applying force on an object to keep it moving? Explain why.

A: Need to continue applying force on an object to keep it moving

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kJ of energy are added to the blo...

A: The heat energy used to raise the temperature of aluminum is calculated by using the formula Q=mcTf-...

Q: In the Bohr model of the hydrogen atom, an electron in the 9th excited state moves at a speed of 2.7...

A: The time period of circular motion is  T=2πrv Here T is time period, r is radius and v is speed. The...

Q: A student has collected data from a simple circuit, built with a 10 2 resistor, a 202 resistor, and ...

A: Given that students made a series circuit of resistors 10 ohm, 20 ohm and 30 ohm.  

Q: the 2-47. If 0 = 60° and magnitude of the resultant force and its direction measured clockwise from ...

A:

Q: A 1500 kg car accelerates from a uniformly stationary state at a speed of 10m / s in 3s. Find the wo...

A: Write the variable with the given values.

Q: In this section you will draw the electric fields of several simple charge configurations. While you...

A:

Q: A biologist studying the motion of bacteria notes a bacterium at position r 1=2.2i + 3.7j − 1.2k μm ...

A: The magnitude of the average velocity is calculated by using the formula vav=vx2+vy2+vz2 , where vx=...

Q: A 2000 kg car going at a steady speed of 18.0 m/s takes a curve with a 50.0 m radius. The road is le...

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