Q: (b) The speed versus time graph for an object is shown below: Speed/ ms 15- 2 6 8 10 timel s (i)…
A: The total distance covered by the object is the area under the speed-time graph.
Q: the electric potential 6.6✕10 -14 m from a fragment that contains 10 protons.
A: Given data: Distance (r) = 6.6×10-14 m Number of protons (n) = 10 Required: The electric potential…
Q: 1. What is the momentum of a 1.4x104 kg autombile traveling at 20m/s to the right of its origin?…
A:
Q: A loop of wire in the shape of a rectangle of width w and length L and a long, straight vwire…
A:
Q: of a spring instrument, the spring shortens by 3.1 cm. What is the amoun
A: GivenMass of Athelete, m=51.4 kgSpring compressed to distance , x=3.1 cm=0.031 m
Q: Barometric Pressure Halley's law states that the barometric pressure (in inches of mercury) at an…
A:
Q: Light in carbon disulfide (n = 1.63) is incident on a glass (n = 1.50) %3D interface. At what angle,…
A: Given data as per question n1 = 1.63 n2 = 1.50
Q: Part I. Determine the following quantities. a. Total resistance (R7) b. Total Current (I7) c.…
A:
Q: From the window of a building, a ball is tossed from a height y0 above the ground with an initial…
A:
Q: A train is 250 m long runs at 55 m/s. Find the time ?
A:
Q: 2. Juanito, a Grade 9 student, lifts a 5 kg book from the floor into a cabinet that is 3.2 m high…
A:
Q: Asteroid X in the Solar System has a semimajor axis of 3.25 AU and an orbital period that is 125…
A: According to Kepler's 3 rd law of planetary motion the square of time period (T) is directly…
Q: A diffraction pattern forms when light passes through a single slit. The wavelength of the light is…
A: Given, Wavelength=601nm
Q: A layer of oil, with a refractive index of 1.40798, 1.03888 mm thick, floats on water. (a) Light of…
A:
Q: You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a…
A:
Q: Problem 4: Find B for the dipole moa, located at the origin. m3D
A:
Q: 21 F2 A bar of length l rotates about one of its edges. After you push it with a force of F1 = 10 N…
A: Given: F1=10N ∆t=8 sec I=13ML2
Q: If a 0.450-kg object (m1) is connected to a 0.0400-kg mass (m2) and a constant frictional force of…
A:
Q: The earth's magnetic field, with a magnetic dipole moment of 8.0×1022Am2, is generated by currents…
A:
Q: (b) Find the increase in the car's gravitational potential energy when it is raised 1.00 m. (c) How…
A:
Q: The pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From…
A:
Q: A person shouting at the top of his lungs emits aboue 1.0 W of energy as sound waves. What is the…
A:
Q: What is the acceleration of a car that from rest in 2 minutes acquires a velocity of 99 miles/hr?.…
A:
Q: Focal Object Object Mirror or Length Height Distance Image Type Image Orientation Image Size Lens…
A:
Q: 2. Let's look at the femur – the largest, longest, and strongest bone of the human skeleton. Let's…
A:
Q: (a) What is the wavelength of a photon (in nm) that has a momentum of 3.57 X 10-27 kg · m/s? (b)…
A: Given:- momentum = 3.57 x 10-27 kg.m/s formula:- momentum (p) = energy/speed of light (c)=…
Q: (c) A stone is thrown horizontally off a 25 m high building. It hits the ground a distance of 20 m…
A:
Q: A 81.8 g marble moving at 14.6 m/s approaches and collides head-on with a stationary 45.7 g marble.…
A:
Q: A 20-kg block lies on a smooth horizontal surface. What constant force will give the body a velocity…
A:
Q: Light of wavelength 600 nm passes through a single slit and produced a diffraction pattern on a…
A: Light of wavelength 600 nm screen distance, D = 2.0 m The the first dark fringe in the diffraction…
Q: A tank of gasoline (n = 1.40) is open to the air (n = 1.00). A thin film of liquid floats on the…
A:
Q: 1. A coil of wire is situated in a 0.45 T uniform magnetic field. The area of the coil is 4.0 m2.…
A:
Q: A motor lifts a 13,000 newton crate at a distance of 8 meters in 10 seconds. What power does the…
A: Given data: Force (F) = 13,000 N Distance (d) = 8 m Time (t) = 10 s Required: Power (P)
Q: ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 19 degrees with…
A: Given: The incident angle is 19o. The refractive index of the air is 1. The refractive index of the…
Q: As a charged particle is shot to a magnetic field B with perpendicular to B, the particle's motion…
A: A charged particle is shot to a magnetic field B with a speed v perpendicular to B
Q: A coil with 15 loops sits in a magnetic field T/ The magnetic moment of the loop is Am^2, what is…
A: Given data :- no. of loops/turns N = 15B→ = 0.2 i^ - 0.1 j^ -0.2 k^ Tm→ = i A→= 0.9 k^ A-m2
Q: Find the activity of a sample containing 7.64 x 1014 iodine-131 nuclei (T1/2 = 8.0 days).
A: Given: Number of iodine 131 nuclei (N) = 7.64 x 1014 Half life time (t1/2) = 8 days…
Q: Differentiate JFET, D-Type MOSFET and E-Type MOSFET in terms of the following: a) Mode of operation;…
A:
Q: An incoming beam of light makes an angle of 15 o with the first mirror as shown below. Determine the…
A:
Q: The light from an upright candle flame shines through a lens. Label the type of lens and the parts…
A: The diagram is shown in the figure and the details are also shown.
Q: (b) Find the increase in the car's gravitational potential energy when it is raised 1.00 m. (d)…
A:
Q: 49 2 R2 51 2 R wwww 80 0 37Ω R, LEW 75 0 V R LwR R. 45 2
A:
Q: Q. 5. In changing the state of a gas adiabatically from an equilibrium state A to another…
A:
Q: A coil with loops of area 0.0120 m^2 rotates at 60.0 Hz through a B field of 0. 125 T. How many…
A:
Q: 2) Light has angular fregueacy J Calculete the linear freguency. 6000 Tr an ss Calculate the period.…
A: Given data: A light wave Angular frequency (ω) = 6000π rad/s Required: Linear frequency (f),…
Q: A fish that is d=d= 2.6 m below the surface looks up and sees a woman fishing from the shore. Part…
A: Given:
Q: A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. If the original activity…
A:
Q: stone is dropped from the edge of a roof, and hits the ground with a velocity of -175 feet per…
A: GivenFinal velocity of stone hits the ground ,v=-175 ft/s2Acceleration due to gravity, g=32 ft/s2
Q: Answer the question below using only energy and momentum concepts. 1. A 55 g copper bullet is shot…
A: In all collision momentum conserved Momentum before collision= momentum after collision Mass of…
Q: If an electron that’s entering a magnetic field B=2.0 with a velocity of V =2.0x10^7 m/s parallel to…
A: Given value--- Magnetic field B = 0 T. velocity = 2 × 107 m/s. We have to find--- Magnetic force…
Step by step
Solved in 3 steps
- If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.The total rate at which power is used by humans worldwideis approximately 15 TW (terawatts). The solar flux averagedover the sunlit half of Earth is 680 W>m2 (assumingno clouds). The area of Earth’s disc as seen from the Sun is1.28 * 1014 m2. The surface area of Earth is approximately197,000,000 square miles. How much of Earth’s surfacewould we need to cover with solar energy collectors to powerthe planet for use by all humans? Assume that the solar energycollectors can convert only 10% of the available sunlightinto useful power.Estimate the angle made by rays radiation with the normal to a PV cell on 1 Dec at 9:00 am solar time for a location at 28° N and the PV is tiled at angle of lilted at latitude plus 10° with the horizontal and is pointing being to south.
- A lightbulb works with a filament of 100 µm diameter and 30 cmlength of tungsten. You apply a voltage of 12 V. Compute theemitted total power assuming that convection can be neglected. Whatis the resulting filament temperature if the emissivity was 0.7?Calculate the percentage efficiency of a solar PV module whose length is 137 cm and width is 107 cm and produces 190 W maximum power when exposed to 1068 W/m2 solar irradiance?(W/m), in Santa solar radiation into energy- solar radiation (w/m?) 400 300 200 100 time (hrs past midnight) 4 8 12 16 20 ot dengndi lo
- 2.A solar collector with an area of 1.5 m2 is installed on the rooftop of a house. Assume that the radiative encrgy amiving from the sun is 1000 Wm. The collector reflecis 10% of the enengy arriving on is surfice. Also, the collector is not perfectly insulated, and losses occur The collector has a heat transfer coefficient h of 2 Wmx The side arcas of the collector are assumed to be negligible. The ambient temperature is 20 °C and the collector is assumed to be at a temperature of 50 "c. Consider that this temperature is constant throughout the whole collector The collector is assumed to behave like a black body. a) What is the power output of the collector? b) What percentage of the total losses is caused by radiation?Assume solar flux falling on a typical panel on planet earth to be 1370 Watts per square meter with sunshine at least half of the year and roughly one quarter of the earth surface bathed in sunlight daily as the planet rotates. The best panels convert photonic energy to electrical energy at about 25 % (efficiency). Given that the world consumes around 600 exaJoules (one exaJ = 1028 J) how much area would be required to power up the world with solar arrays. (Give your answer in square kilometers please!)Calculate the square footage of solar panels required for a 1KW system for AM 1 and AM 1.5 if panel efficiency is 18% (direct beam insolation).
- The spectial energy energy disticbulions of the gun hae a maximum At 4650 A°. If temperature of sum is 6000ºk what is temperatque of the star for which this maximum is 9402. Aº°. Help alss !!Imagine choosing between two winter jackets. Assume you have access to a heat-generating mannequin with variable heat output. Insulation is comparable to (TB – TA)/M in the chapter 10 calculation. (This is a generic insulating equation.) How would you quantify the two jackets' insulation?Radiation Energy The total radiation energy E emittedby a heated surface per unit area varies as the fourthpower of its absolute temperature T. The temperature is6000 K at the surface of the sun and 300 K at the surfaceof the earth.(a) How many times more radiation energy per unit area isproduced by the sun than by the earth?(b) The radius of the earth is 3960 mi, and the radius of thesun is 435,000 mi. How many times more total radiationdoes the sun emit than the earth?