8 Ex (N) o -2 -8 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 x (m) 4, 2.

Q: Given that 25O W/m2 of light from an ordinary tungsten bulb arrives at an ideal linear polarizer,…

A:

Q: A car is moving on a straight road 15 m/s. It is acceleration at 30 m/s? . What will be it's…

A: Given data :   Acceleration  =  a   Initial velocity  =  u   Time  =  t        To find :       Final…

Q: What is the total circuit resistance?

A:

Q: The image projected by an equiconvex lens (n=1.50) of a frog 5 cm tall, who is located 0.6 m from a…

A:

Q: Object 1 has a mass m1  and a velocity v⃗ 1v→1 = (2.40 m/sm/s )x^.  Object 2 has a mass m2  and a…

A:

Q: . The player kicks a football with an initial speed of vo = 90 ft/s. Determine the time the ball is…

A:

Q: A laser with a power output of 2.0 x 10-3 watts emits a visible light beam that illuminates a…

A:

Q: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles.…

A:

Q: Neptune orbits the Sun with an orbital radius of 4.495 x 10^12 m. If the earth to sun distance 1…

A: orbital radius of neptune around sun (R) = 4.495×1012 m 1 AU = 1.5×1011 m

Q: In an AC generator, an armature that consists of 200 turns of a rectangular conducting coil is…

A:

Q: 18.) Determine the amount of energy, in joules, stored in a defibrillator's 17.0 – µF capacitor that…

A:

Q: Part A What must the charge (sign and magnitude) of a particle of mass 1.40 g be for it to remain…

A:

Q: Determine from what height would a car have to be dropped to have the same kinetic energy that it…

A: speed (v) = 25 mph Let the mass of the car = m

Q: If a certain silver wire has a resistance of 8.00 Ω at 11.0°C, what resistance will it have at…

A: Given: R1 = 8.0 ohmT1=11.0°CT2=45.0°CR2=? knowns: temperature coefficient of resistance of silver…

Q: When 577 nm yellow laser light is passed through two narrow slits, an interference pattern is…

A:

Q: You learn from this class that a nuclear bomb gives out a lot of energy. The energy originates…

A: The nuclear bomb is an explosive substance that produces a destructive force from nuclear reactions…

Q: Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her…

A: Change of temperature is 0.166 deg C.

Q: The structure of DNA is shown to be double helix by x-ray: a)diffraction. b)dispersion.…

A: Helical shape of DNA molecule is shown by the process known as X-ray diffraction technique. In this…

Q: 6.1. A man has pulled a cart through 35 m applying a force of 300 N. Find the work done by the man.

A: Given data :    Distance  =  S     Force   =  F      To find :      Work done

Q: 2. 10. A 100 watt light bulb giving monochromatic light of wavelength 6000 A° is placed at the…

A:

Q: Directions: Draw a picture of a circuit. Label the light bulb, switch and battery. Use arrows to…

A:

Q: if you do 20 J of work lifting a rock weighing 30 N, how far will you lift it?

A: Write the given values with the suitable variables. W=20 JP=30 N Here, W is the required work and P…

Q: A Force of 240 N is abplied to obyect ared 3 m? Caleo tate he freer un

A: Given data :     Area  =  A     Force  =  F        To find :          Pressure

Q: A constant 9-N net force acts on an object for 2 seconds. What is the impulse of the force? What is…

A:

Q: A particle travels along the x-axis such that its velocity is given by v(t) = t0.7 sin (t2 – 4) .…

A: The velocity of the particle is given by the equation v=t0.7sint2-4 This velocity is the…

Q: If you cut a bar magnet into two pieces, will you end up with one magnet with an isolated North Pole…

A: Ww know that magnetic monopole doesnt exist. There is always north and south pole associated with…

Q: Calculate molar volume of ideal gas at 1 atm and 300 Kelvin temperature.

A: Given that:- p=1 atm=101325 Pan=1 molR=8.314 m3⋅Pa⋅K-1⋅mol-1T=300 KV=?

Q: The image projected by an equiconvex lens (n=1.50) of a frog 5 cm tall, who is located 0.6 m froma…

A:

Q: can someone check my answer for number 2? 2. Two 60 –meter current-carrying wires are parallel to…

A: The forces on the wires are same in magnitude, so we just write F for the magnitude of F2. Force per…

Q: 1. Three resistors of 8,12, and 24 N are in parallel and a current combination Determine (a) the…

A: GivenR1=8 Ω, R2=12 Ω , R3=24 ΩCurrent,I=20 A

Q: PHYS-91; Multiple Choice: Two point masses, M1 and M2, are 14 centimeters apart. M1 has a mass of 2…

A: Given data: Two point masses M1 = 2 g and M2 = 5 g Distance between masses = 14 cm Required: Center…

Q: A person looks at a gem using a converging lens with a focal length of 13.8 cm. The lens forms a…

A:

Q: D.) 1.35 23.) The resistivity of a material was plotted against temperature as shown in the graph…

A: Resistivity is the resistance of a conductor having unit length and unit crosssectional area.

Q: Q4- What is the magnification of an object 30 cm from the front doublet of the thin-lens combination…

A:

Q: Which of the following colors from the visible spectrum of light has a frequency of 4.3 x 1014 Hz ?

A:

Q: A 73.0-kg student sits in a car rolling on the top of a hill as shown. The car moves at a constant…

A: Free body diagram is shown below: W = weight Fc = centrifugal force N = normal force

Q: A C a d >V the path acb, 90.0 J of heat flows into the system and 50.0 J of work is done by the…

A: GIVEN :Along acb,  heat into system q =90 J Work done W  by system W =50J Along adb, Work done by…

Q: Three dimensions. Three point particles are fixed in place in an xyz coordinate system. Particle A,…

A:

Q: What is the total current supplied by the battery to the circuit?

A:

Q: 15. A rickshaw puller pulls the rickshaw by applying a force of 100 N. If the rickaw moves with…

A: Given data :    Force   =  F    Velocity  =  V      To find :         Power of rickshaw puller

Q: the particle is moving perpendicular to the field, what Wo charged particle? ntude of the magnetic…

A: Magnetic fields exert a force on a moving charge q, the magnitude of which is     F = qvB sin θ,…

Q: A metal cylinder with rigid walls contains 2.00 mol of oxygen gas. The gas is cooled until the…

A: Since work done by a gas is given as  W  =   ∫PdV     (limits of the integral  being  v1 to v2.…

Q: Problem Set 11 (Calorimetry) In a calorimetry experiment, a 60 g metal sample was heated to 100°C,…

A:

Q: At the world athletic championships held in Tokyo, Japan in 1991, Mike Powell set the world record…

A:

Q: An aluminum wire with a circular cross-section has a mass of 1.45 g and a resistance of 0.630 Ω. At…

A: Resistance of wire of area of cross section A and length l is given as R= ρl/A.

Q: 11.) A 1-m diameter sphere contains a charge of 7.14 x10° C at its center. What is the distance from…

A: Given that, Diameter of sphere, D = 1mm Charge on sphere, Q = 7.14 * 10-3 C Electric potential at a…

Q: Conductors, 1 and 2, initially uncharged,are mounted on insulating stands and are in contact, as…

A:

Q: The wavelength of an electromagnetic wave in vacuum is 600 nm. What is its frequency? 200 × 1012 Hz…

A: Given: two multiple choices ques

Q: Mathematically, explain how a car (A) with mass of 500 kg and velocity of 2 m/s has the same kinetic…

A: Given that:- mA=500 kgmB=20000 g=20 kgvA=2 m/svB=10 m/s

Q: The mass of Mars is 6.42 × 10^23 kg. Its moon Phobos is 9.378 x 10^6 meters away from Mars, with a…

A: Given:   mass of mars (Mm) = 6.42*1023kg    mass of phobos (Mp) = 1.06*1016kg     Distance between…

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: