m2 тy h

Q: A certain radar installation that is used to track airplanes trasmits electromagnetic radiation with...

A: Given data:Wavelength of electromagnetic radiation = 3 cm = 0.03 mTotal distance travelled, d = 5+5 ...

Q: 37 Two point masses m1 and m2 are located distance D apart. The magnitude of the gravitational force...

A: We know,

Q: 104. Which diagram best represents the gravitational forces, Fa between a satellite, S, and Earth? g...

A: The below diagram represents the gravitational force between satellite and earth .

Q: A physician judges the health of a heart by measuring the pressure with which it pumps blood.   ...

A: The average density ρ of blood is known to be 1060 kg/m3The difference in height Δh is given as 0.70...

Q: question 27 please.    thank you

A: Consider the free body diagram.

Q: An infrared lamp has a wavelengh of 1230 nm. Solve for the frequency of the lamp if the speed of lig...

A: Part 1- Given:

Q: When standing waves are produced in this experiment, does increasing the tension produce a larger or...

A: Write the expression for frequency of standing waves

Q: Review | Constants In U.S. football, after a touchdown the team has the opportunity to earn one more...

A: Given:Horizontal distance of the bar = 36 ft = 10.97 mVertical distance of the bar = 10 ft = 3.05 m 

Q: How much work is required to lift a 2.6-kg concrete block to a height of 1.3 m?

A: The work needed to lift the concrete block is

Q: Four resistors 13 Ω , 17 Ω , 20 Ω , and 39 Ω are in parallel. What is the equivalent resistance, exp...

A: Total resistance in parallel will be:

Q: A student places her 410 g physics book on a frictionless table. She pushes the book against a sprin...

A: At the moment when she releases the book, the potential energy gets converted to kinetic energyThe t...

Q: In what part of the EM spectrum would a photon of energy 9.5 ✕ 10−23 J be found

A: Write the expression for the energy of a photon of electromagnetic radiation.

Q: A 947 kg elevator is pulled upward by a cable with a tension of 1.58×104 N. Using work and energy, s...

A: According to the work energy theorem, the net work done is equal to the change in kinetic energy.

Q: Calculate the distance (in cm) that the moving mirror of the interferometer must travel in order to ...

A: To resolve the emission line of sodium, the distance travelled by the mirror must be:

Q: An amusement park ride operates as follows: riders enter the cylindrical structure when it is statio...

A: The gravitational force is pulling down on the rider is equal to the frictional force pointing upwar...

Q: Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. ...

A: Consider the spacecraft’s altitude from the Moon’s surface be h and r is the Moon’s radius and g is ...

Q: The magnetic field inside a toroidal solenoid is not uniform as for a long, straight solenoid. Over ...

A: (a) The magnetic flux is

Q: question 21 please

A: The force exerted by the horizontal rope is the centripetal force acting on the ice skater.Write the...

Q: A 1.731 kg sample of copper is in its solid state at a temperature of 36.0 C. The specific heat of s...

A:

Q: Estimate Timothy Goebel's initial takeoff speed, initial rotational velocity, and initial angular mo...

A: Use the third kinematic equation to establish a relation between his initial takeoff speed vo and th...

Q: Suppose we would like the landing speed of block 2 to be increased to 1.64 m/s. Find the required co...

A:

Q: A uniform ladder 19.0 ft long is leaning against a friction less wall at an angle of 44.9 degrees ab...

A: Given information:

Q: When a certain liquid freezes, it expands about 11.5%. What would be the pressure increase inside an...

A: Write the expression for bulk modulus

Q: You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation ...

A: The time taken by the dart to go up and come down is 4.5s. The time taken to go up is 2.25s.The spee...

Q: Zero, a hypothetical planet, has a mass of 4.1 x 1023 kg, a radius of 3.0 x 106 m, and no atmosphere...

A: Write the formula for the gravitational potential energy.

Q: A high-pass filter consists of a 1.63 μF capacitor in series with a 90.0 Ω resistor. The circuit is ...

A: (a) Cross over frequency is given by,

Q: A series RLC circuit consists of a 59.0 Ω resistor, a 5.10 mH inductor, and a 310 nF capacitor. It i...

A: (a).inductive reactance and capacitive reactance can be calculated as follows,

Q: 3. One way of expressing the rule for magnetic field lines around a current-carrying wire is that if...

A: Right Hand Palm Rule: This rule is used for identifying the direction of current and the magnetic fi...

Q: A 4.0 m length of gold wire is connected to a 1.5 V battery, and a current of 4.0 mA flows through i...

A:

Q: At some point along the direct path from the center of the Earth to the center of the Moon, the grav...

A: Given:

Q: The figure below shows a box with a mass of m = 3.50 kg on a surface inclined at an angle of 35.0°. ...

A: The mass of the box is 3.50kg, angle inclined is 35 degree, and the coefficient of static friction i...

Q: In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the...

A: Let the height of the counter be y and x is the width of the wedge-shaped counter.

Q: Infared light has a lower frequency than visible light.  What is the frequency of IR light that has ...

A: Given:Wavelength of IR light, λ = 680 nmVelocity of light, c = 3 X 108 m/s

Q: A wave of form: y(x,t)= (0.035 m) cos[(160 s-1)t +(5 m-1) x] travels dowm a string with a density of...

A:

Q: A small, 200 g cart is moving at 1.70 m/s on a frictionless track when it collides with a larger, 2....

A: Consider the mass of the small cart be m1, the mass of the large cart be m2, the initial speed of th...

Q: a) What is the kinetic energy in joules of a 970-kg automobile traveling at 72 km/h? (b) How much wo...

A: Consider an automobile having mass m is traveling with a speed v.

Q: A circuit consists of a series combination of 5.50 kΩ and 5.00 kΩ resistors connected across a 50.0 ...

A: (a)The equivalent resistance of two resistors in parallel is given by,Substitute the values,

Q: The figure below shows a box with a mass of m = 3.10 kg on a plane inclined at an angle of 35.0°. Th...

A: Consider the normal reaction on the box be N, the mass of the box be m, the weight of the box be w, ...

Q: A block of mass m = 5.7 kg is pulled up a θ = 22° incline as in the figure below with a force of mag...

A: (a)Consider the surface is frictionless, and then the net force acting along the inclined plane is.S...

Q: Two wave pulses travel on a string. The picture shows the displacement of the string y as a function...

A: Consider the vertical axis denotes displacement(y) of the wave as the function of x (horizontal axis...

Q: Two resistors with values of 50 Ω and 16 Ω, respectively, are connected in series and hooked to a 12...

A: CKT Diagram:

Q: A uniform board is leaning against a smooth vertical wall. The board is at an angle θ above the hori...

A:

Q: A sample of copper has a mass of 0.43 kg, a specific heat of 385, and an initial temperature of 70.0...

A: Given information:

Q: A container is filled to a depth of 15.0 cm with water. On top of the water floats a 32.0-cm-thick l...

A: Let P0 be the absolute pressure at some reference point, Patm be the atmospheric pressure. Atmospher...

Q: Two balls moving in opposite directions have velocities v1ix= 14ˍm/s and v2ix = -8.4ˍm/s . If their ...

A: Write an expression velocity of the first mass after elastic collision

Q: A car radio draws 0.21 A of current in the auto's 12-V electrical system. (a) How much electric powe...

A:

Q: A block of mass  m = 5.5 kg  is pulled up a  θ = 22°  incline as in the figure below with a force of...

A: The below diagram represents the free body diagram of the block .

Q: What is the correct free body diagram for the system and what is the rank of the forces from largest...

A:  The figure shows a 20 N crate is held at rest on an incline by a rope that is parallel to the incli...

Q: A square frame has sides that measure 1.70 m when it is at rest. What is the size of the sides of th...

A: Using the Pythagoras theorem to find the original length of the diagonal

Q: Consider a spherical planet of mass M and radius R. How much energy is required to take a rocket of ...

A: Energy required will be the difference in potential energy of rocket on the surface of planet and po...

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.