Write the formula of lense and explain the meaning of symbols used.

Q: 6. The ideal gas law describes the state of a hypothetical ideal gas, i.e., PV = nRT where P is the…

A: Write the given values with the suitable variables. n=0.654 moldTdt=3 K/mindVdt=2 L/min=0.002…

Q: A balloon whose volume is 750m3 is to be filled with hydrogen at atmospheric pressure (1.013…

A: Solution: (a) According to Boyle's law: P1V1=P2V2 Here, P1 is the initial pressure of the gas stored…

Q: Each propeller of the twin-screw ship develops a full-speed thrust of F-220 kN. In maneuvering the…

A: Given the data: F=220 kNa=40 mb=124 mc=10 m

Q: One of your room-mates (Marie) says that once an object starts moving, that a force isn't needed to…

A: False.

Q: The direction of the vector A = 4 i +4j is O 0° O 45° O 90° none of these

A: Given data: The vector, A→=4i+4j              (1)

Q: A plank of wood (of length L meters) is balanced on a fulcrum that is situated directly underneath…

A:

Q: The caster unit is subjected to the pair of 81-lb forces shown. Determine the moment associated with…

A:

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 3.62 g coins…

A:

Q: . An electric water heater requires 1100 W of power. Electricity costs 8 cents per kilowatt hour.…

A: Given Power of an electric heater = P = 1100 W = 1.1 kW Cost of electricity = 8 cents/kWh We have to…

Q: simple pendulum is suspended from the ceiling by means of a string of length  2.00 m. Now you start…

A:

Q: A 0.643 kg cat sits at the end of a 15.7 kg, 11.2 m long beam. An accident occurs and the support…

A: Answer : The impact speed of the cat is 17.81 m/s

Q: A force is given by the vector F= (12 i + 10 j) N and moves from the point (4i + 3j)m to the point…

A:

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

A:

Q: A cylinder is to be tested by Engr. Dejesa using two working fluids. The working fluids are oxygen…

A: Solution:Part AWe know that the change in internal energy is given as:∆U =nCv∆Twhere, n is number of…

Q: An object is always moving in the direction of the net force that acts on the object. True False

A: According to Newton's law of motion, the direction of the net force acting upon a body is the same…

Q: Early clocks relied on a pendulum to keep time. If the pendulum on a grandfather clock is made of a…

A: In this question  we use simple time period equation for pendulum.

Q: You have been enjoying trying some of the things you learn in Dr. Shaw's class. You and your brother…

A: From Newtown 2nd law when any force acting on object is zero, then rate of change of momentum is…

Q: OK, same sort of track, but now with d = 4.21 m. Now suppose the blocks starts on the track at x =…

A:

Q: Given data: Force = 25.01 N Time = 5.021 s Calculate the Impulse

A:

Q: The force F has a magnitude of 770 N. Express F as a vector in terms of the unit vectors i and j.…

A: The force diagram is shown below.

Q: The linear expansion coefficient of a bronze plate at 0oC is α = 18 x 10-6 oC-1. The dimension of…

A:

Q: High–power lasers in factories are used to cut through cloth and metal. One such laser has a beam…

A: Given : d = 1 mm Eo = 1.79 MV/m = 1.79 × 106 V/m

Q: An experimental device imparts a force of magnitude F-34 lb to the front edge of the rim at A to…

A:

Q: Question & of 15 A horizontal light ray is incident on a tilted mirror as shown below. The dashed…

A: Draw the ray diagram.

Q: Starting in Albany, you travel a distance 221 miles in a direction 35.4 degrees north of west. Then,…

A:

Q: A series RLC circuit is connected to an AC source with frequency 711.2 Hz and maximum voltage 17.7…

A: Given:AC source frequency = 711.2 HzInductance, L =4.86 mHMaximum voltage, V =17.7 Vvoltage is at ϕ…

Q: High–power lasers in factories are used to cut through cloth and metal. One such laser has a beam…

A:

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 49.9 degrees with respect…

A: Draw the free-body diagram of the black block.

Q: A wheel (of radius 0.5 meters) spins with an angular velocity of 2 radians per second (rad/s). If…

A:

Q: During a very quick stop a car decelerates at 7.4 M/S ^2.Assume the Ford motion of the car…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: 3. A 750 W' toaster and a 1200 W electric frying pan are plugged into the same 100 V outlet. What…

A: Power of toaster = 750 W Power of electric frying pan = 1200 W V = 100 volts time = 3 hr per week ,…

Q: A coil consists of 120. circular loops of wire of radius 4.80 cm. A current of 0.490 A runs through…

A:

Q: A 4.03 kg, 39.2 cm radius fly-wheel is initially spinning at a speed of 717 rpm. How much torque…

A:

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 103.4 °F at 12:05 P.M. If the temperature…

A: GIVEN: Tem. at 8:05A.M. = 970F Temperature at 12:05P.M. =103.40F

Q: Which of the following is the conserved quantity if the system having Lagrangian L= = m(x² + y²) – ²…

A:

Q: A proton moving at right angles to a magnetic field of 0.100T travels in a circular orbit of radius…

A:

Q: Calculate the value of force applied if work done is 145 J and displacement is 4.3 m.

A:

Q: A 32.0 kg person starts at the center of a frictionless rotating merry-go-round that has a radius of…

A: We solve this problem by applying conservation of angular momentum.

Q: A 25.0 cm radius wheel rolls from rest up to a speed of 6.00 m/s while traveling a distance of 10.0…

A: Determine the circumference of the wheel. Determine the number of rotations of the wheel.

Q: A 5-kg object can move along the x axis. It is subjected to a force F in the positive x direction; a…

A: Given datam=5kgTo find-dv=?

Q: - Power at which the pump works.

A: Given data; A pump used to lift 600 kg of water from a depth; m= 600 kgh= 50 m t=20 secTake g= 10…

Q: A basketball player kicks a hollow basketball up a ramp at 18m/s.  The ramp has an angle of 25° and…

A:

Q: The uniform beam has a mass of 45 kg per meter of length. Determine the reactions at the supports.…

A: Mass of beam, m = 45 kg/m Reaction at the support, Ay, Bx, Ay = ?

Q: 5. A block of mass 1.93 kg is placed on a frictionless floor and initially pushed northward,…

A: GIVEN: mass of block m1 =1.93kg initial speed of block one u1 = 4.51m/s mass of second stationary…

Q: Your mass is 63.4 kg, and the sled s mass is 25.0 kg. The sled is moving by itself on the ice at…

A: Write the given values with the suitable variables. m1=63.4 kgm2=25 kgu2=3.19 m/s Here, m1, m2, and…

Q: You re out in space, on a rotating wheel-shaped space station of radius 679 m. You feel planted…

A:

Q: A 3-g bullet is fired horizontally into a 10-kg block of wood suspended by a rope from the ceiling.…

A: Given: The mass of the bullet is 3 g = 0.003 kg.…

Q: A group of students uses an intense white light and a red filter to create bright fringes in a…

A:

Q: 6. The ideal gas law describes the state of a hypothetical ideal gas, i.e., PV = nRT where P is the…

A: We can differentiate the equation with respect to time t and put the values of dP/dt ,dV/dt as these…

Q: A steam catapult applies a very large force to supplement the engine thrust of a jet fighter as it…

A: We have a fighter jet of mass m=4040 kg which has to start from rest (initial velocity u=0) and…

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: