1)Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 6.0 cm/year. (a)What distance does it move in 1 s at this speed in meters?   (b)What is its speed in kilometers per million years?

Q: Calculate the height of the image formed when a 2.5 cm tall object is placed 10 cm away trom a lence…

A:

Q: ** o masses are connected over an inclined plane as shown. N Y. X mi m₂g. = mig TNT MASS 1 ΣFix =…

A:

Q: Find phase velocites of 2 waves moving with velocities v₁= 7m/s and v₂= 6m/s, having wavelengths ₁ =…

A: v1 = 7 m/s  v2 = 6 m/s  λ1 = 15 nm  λ2 = 22 nm

Q: A child on a swing has a speed of 1.8 m/s at the low point of the arc (see the figure below).   How…

A: Speed at low point is v = 1.8 m/s

Q: A uniform 3 m long ladder of mass 20 kg leans against a wall. The coefficient of static friction…

A: The maximum angle the ladder can make with the horizontal before slipping occurs is given by the…

Q: 15) A 12V battery is connected to three capacitors in series. The capacitors have the following…

A:

Q: A jet plane is flying at half the speed of sound over a bird resting on a tree. The jet pilot hears…

A:

Q: Calculate the maximum diffraction order observed on a screen in a two slit interference experiment…

A:

Q: A 1.2 kg glider moving at 3.0 m/s [right] undergoes an elastic head-on collision with a glider of…

A: Spring constant is K = 6.0×104 N/m

Q: What happens to the resistance (R) of a metal wire as its diameter increases?

A:

Q: Same situation as before. This time it s a block of mass 1.57 kg sliding with a constant velocity of…

A: Given:  m1 = 1.57 kg m2 = 3.41 kg V1 = 5.01 m/s  (North) V2 = ? Using the conservation of energy…

Q: A beam of uniform thickness and density is resting horizontally on two supports as shown below. If…

A: The mass of the beam, mA = 300 kg

Q: Vb = D= A Vmax== D b) What is the volume of water displaced when the barge is empty? This will be in…

A:

Q: A student throws a 1.8kg ball horizontally off the top of a building with an initial speed 3.85 m/s.…

A:

Q: 17. A crying child emits a sound with an intensity of 8.0 x 10-6 W/m². Find the intensity level in…

A: The intensity of the sound is 8x10-6 W/m2.

Q: How much energy must be transferred as heat for a reversible isothermal expansion of an ideal gas at…

A:

Q: Calculate the wavelength of light in a double slit experiment if the 3rd bright fringe is located…

A: Page 1

Q: Show your calculations of the speed of sound at room temperature. (If the room temperature is 18 °C)

A: Temprature, T=18°C To determine the speed of sound at this temperature.

Q: waves of the same frequency have amplitudes 1.00

A: Amplitude, a1 = 1.00 Amplitude, a2 = 2.00 Phase difference, Φ = 60° Resultant amplitude, A = ?

Q: A 500-nm thick oil film with unknown index of refraction is spread over a sheet of glass (nglass =…

A: When light is reflected from a thin film, interference between the light waves reflected from the…

Q: A child weighs 313 N. What is the child's mass in kilograms?  kg What is the child's mass in slugs?…

A: To convert from Newtons to kilograms, we can use the formula: weight = mass × acceleration due to…

Q: two masses are placed on a 2-1 mechanical advantage pulley system. Mass 1 is 5 kg, Mass 2 is 15 kg.…

A: See below

Q: 3. Th valve of an oil carrying duct shown in the Figure is being closed such that the oil particles…

A: Time dependent velocity distribution of the given problem is: V =[ 6(1+0.4x2) (1 - 0.5t)]

Q: A series AC circuit contains a resistor, an inductor of 240 mH, a capacitor of 4.10 µF, and a source…

A:

Q: 1) What does it mean to measure sound in decibels? 2) Explain how Hooke's law is related to simple…

A: Sound intensity: It is a measure of the amount of sound energy passing through a particular area per…

Q: The motion of a body attached to a vertical oscillating spring is given by the equation: y(t) = 4.75…

A:

Q: Given that the modulus of elasticity of the flesh of the Atlantic mackerel Scomber scombrus is about…

A: To find the fraction of the wave intensity that is reflected when a fish-finder sonar pulse is…

Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

A: length of bar ,L=1.2 mResistance ,R =6.4ΩMagnetic field ,B=2.5TVelocity ,V= 1.7 m/s

Q: Calculate the potential difference between the wingtips of an aircraft with the wingspan of 64 m…

A: Given Data: Length of the wing (l) = 64 m.Speed of the aircraft (v) = 717 km/h = 199.17 m/s.Angle…

Q: A 0.0720m x 0.171m x 0.489m block is suspended from a wire and is completely under water. What…

A: The size of the block is 0.0720m x 0.171m x 0.489m. The liquid is water.

Q: Three students in lab are trying to predict which of the following objects will reach the bottom of…

A: The height of ramp is h=1.60 m. The radius of each body is r=0.16 m. The mass of each body is m=0.28…

Q: hydraulic oil in a car lift has a density of 8.04 x 10^2 kg/m^3. The weight of the input piston is…

A:

Q: 2.2.9 In right circular cylindrical coordinates a particular vector function is given by V(p, y) =…

A: The curl of a vector field give us an idea of the curling of the field in the space, that is, how…

Q: Given: the following circuit, the values of the resistors, and battery emf's: R1 = 852 R2 = 92 R3 =…

A:

Q: A block of iron (c=448.00 J/kj°C) initially at temperature 6.00°C is dropped into an insulated…

A:

Q: Describe a transverse wave

A: A transverse wave is a form of wave that takes place when particles in a medium pass perpendicular…

Q: A system is set up as shown, MA = 8.0 kg, MB = 2.0 kg and the angle is 30 degrees for the inclined…

A:

Q: A solenoid is comprised of 1310 turns of wire wrapped along a tube of length 0.26 m. If the strength…

A: No. Of turns (N)=1310 Length (L)=0.26m  Magnetic field (B)= 8.2×10-3 T  Let current flowing through…

Q: DATA SHEET #1 Frequency 165m First Resonance L₁ 8.16m s0cm ↓ Second Resonance L2 Frequency Third…

A: Corresponding to 500 Hz, the wavelength is: 0.68 m and 0.70 m Average = λ1 +λ22Average =0.68 +…

Q: The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger…

A: The acceleration is given as a=v-ut…

Q: A gas has a well-defined mean energy E when its volume is V and mean pressure is p. If the volume of…

A: Given:relation between pressure and volume is P =kV−5/3here Va = 8×103 cm3 = 8×10−3 m3Vb = 1×10−3…

Q: The pendulum of an astronomical observatory clock swings in a very small arc. What purpose does this…

A: The pendulum of an astronomical observatory clock swings in a very small arc to increase its…

Q: The work function of sodium is 2.3 eV. What is the longest wavelength that can cause photoelectric…

A: Work function of sodium ( W ) = 2.3 eV

Q: Two long parallel wires separated by 3.91 cm experience a force per unit length of 2.99 N/m. They…

A: Given that: I1=I2=ID=3.91 cmF=2.99 N/mμ0=4π×10-7 NA-2

Q: A quantum particle is described by the wave function ψ(x) = A cos (2πx/L) for −L/4 ≤ x ≤ L/4 and…

A: ψ(x) = A cos (2πx/L) for −L/4 ≤x ≤ L/4  ψ(x) =0 everywhere

Q: hockey puck that has a mass of 170 g travels with a speed of 30 m/s. What is the momentum…

A: Mass of object is m=170 g Velocity of object is v=30 m/s Note: 1 kg=1000 g Find: Momentum of object.

Q: A simple pendulum is constructed from a short metal rod of the mass mand of the length / suspended…

A: We are asked to find 'g' when period is given as T and length of the string is L.

Q: Calculate the length of a wire currying current of 8.6 A and experiencing the force of 5 N in the…

A: Page 1

Q: () 7.9.21-A 242 ww 008 07 a) heq = Lum Im b) I 642 4V + T100 per sta Work: 000)-9 un 8000: -9 ert…

A:

Q: How many electrons pass a position in a circuit every second if the current in this circuit is 15 A…

A:

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.