A bullet having mass of 0.002kg hits a stationary block of wood having a mass of 14kg. the coefficient of kinetic friction between the block and floor is 0.12, and the block slides 3mm on the floor as a result of impact. Compute the energy lost during the impact

Q: The figure below shows a bar of mass m = 0.240 kg that can slide without friction on a pair of rails…

A:

Q: A long solenoid, with its axis along the x axis, consists of 170 turns per meter of wire that…

A:

Q: A ball has a mass of 4 kg. Suppose it travels at 14 m/s. Find the kinetic energy possessed by it .

A:

Q: where did the q = 1.602x10^-19 came from

A: Value of charge q

Q: 1.The half-life of an isotope is 5 years. What fraction of the isotope will remain after 20 years?

A: GIVEN half-life of an isotope = 5 years To find out fraction of the isotope will remain after 20…

Q: If the power running through a power line is 10,000 watts and the voltage is 1000 volts then what is…

A:

Q: The voltage in circuit is 24 V and resistance is 4 ohms, find the current ?

A: Given data :                   Resistance     =     R                   Voltage      =      V…

Q: Calculate the electrical energy consumed in Joules if a toaster of 55 W is used 5 min

A: Given Power of an electric toaster = 55 W Used Time = 5 min We have to calculate energy consumed.

Q: If there are seven (7) superposed or combined colors of light incident on a dispersing medium (e.g.…

A: for dispersive medium we need to solve the equation sinθin=nisinθi seven times for each wavelength,…

Q: The HVL for Pb for a particular energy x-ray is 0.1mm. By how much will an x-ray beam be reduced, if…

A:

Q: Physics A 1.65 kg book is sliding along a rough horizontal surface. At point A it is moving at 3.22…

A: Because the velocity decreased, work was done to slow down the book. the work is equal to slow down…

Q: Determine the amount of heat needed to completely transform 1 g of water at 15°C to steam at 115°C.

A:

Q: A special kind of jet is shot in the water. If the jet is going with acceleration 2 m/s/s. What is…

A: The pressure inside liquid is only dependent on the height of liquid above the point of concern. The…

Q: A projectile is thrown from a point O on the ground at an angle 45° from the vertical and with a…

A:

Q: A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of…

A: Answer:-  Given  Magnetic field (B) = 1.60 T  Area(A) = 0.270 m2  Number of turns of the coil(N) =…

Q: A keratometer is a device used to measure the curvature of the cornea, particularly for fitting…

A:

Q: A spherical blackbody of 5 cm in radius is in equilibrium with its surroundings. It then absorbs 50…

A:

Q: Two point charges are arranged along the x-axis; q1=2.0 µC is at x=0.80m, and q2=2.0 µC at x=0.80m.…

A: Given value--- q1 = 2 micro C,  x1 = 0.8 m. q2 = 2 micro C,  x2 = 0.8 m. We have to find--- net…

Q: A particle moves down a horizontal route that begins 5 feet to the right of a specific point P with…

A: Solution: Determine the time taken by the second particle to cover the distance of the initial…

Q: To get to his office from home, Greg walks 7 blocks north and then 3 blocks east. After work he…

A:

Q: Mass of a car is 230 kg, What is it's weight ?

A: Given Mass of car = 230 kg We have to calculate the weight of car.

Q: Find the value of force applied if work done is 240 J and displacement is 20 m.

A: Given: The work done is 240 J. The displacement of the object is 20 m.

Q: Q.2/A thermocole cubical ice box of side 30 cm has a thickness of 5.0 cm. If 4.0 kg of ice is put in…

A:

Q: ball is kicked at an angle of 35° with the ground. a. What should be the initial velocity of the…

A:

Q: An astrophysicist measures the wavelength of gamma-ray emission from a supernova. The wavelength is…

A:

Q: Two point charges are arranged along the x-axis; q1=2.0 µC is at x=0.80m, and q2=2.0 µC at x=0.80m.…

A: Given value--- q1 = 2 micro C, x1 = 0.8 m. q2 = 2 micro C,  x2 = 0.8 m. We have to find--- net…

Q: If the amplitude of an EM wave propagating through an unknown medium or substance is 2π N/C electric…

A: Given value--- electric field = 2 pi N/C. magnetic field = pi × 10-8 T. We have to find--- index…

Q: A 100 µC charge is placed at the origin. A 200 µC charge is placed 2m above the origin and a -300 µC…

A: Given: The position of the charge 100 µC is at origine. The position of the charge 200 µC is 2 m…

Q: 3. The electric potential in certain region of space is given by V = - 7 x + 3 x, where V volts, and…

A: Given: Electric potential, V=-7x2+3x Require: Electric field, E=? The position where potential is…

Q: Which one of the equations is incorrect for the circuit below? A. I1 + I2 - I3 = 0 B. 8I1 - 2 I2 = 7…

A:

Q: The length of an steel rail track is 40 m when installed at the temperature of 30 °C. Find the…

A: Given:- ∆T= Change in temperature= 8.5 - 30= -21.5 °C L= Original Length= 40 m α= linear coefficient…

Q: 4. 12 32 12 V 6 V

A:

Q: whats the exact asn?

A:

Q: A steel spherical shell has an inner radiu m at the temperature of 10.0 °C. The ste spherical shell…

A: GivenInner tadius of spherical shell, r=5.08 mAt Temperature, T1=10°CShell is heated to a…

Q: Calculate the electrical energy consumed in Joules if a toaster of 55 W is used 5 min

A: Power = energy /time. Energy consume= power × time. Energy = 55× 5×60 Consume energy= 16500 joule

Q: cal blackbody of um with its surrou of power radia lings. What ture of the sphere

A:

Q: Given ml-5.3 kg, m2-3 kg; Vli = 7 m/s; VIf = 4 m/s, 0,-25 degrees Find Velocity V12 and angle 02…

A: As given, Mass, m1=5.3 kg Mass, m2=3 kg Initial velocity, v1i=7 ms Initial velocity, v2i=0 ms Final…

Q: Consider a series RLC circuit consisting of a 3.4 resistor, a 8.6 x 10^-3 H inductor, and a 5.62 x…

A:

Q: Find the Fourier transform g(@) of the function f (t) below: TO TO -

A:

Q: Two long parallel wires are at a distance of 1m. If both of them carry two ampere of current in same…

A:

Q: A light source gives off 500 lumens. Determine E on a surface held perpendicular to and in line with…

A:

Q: Describe the relationship between the applied force and the spring force

A:

Q: COue. A rocket ship is the ground: in flight, it length is lang when it is on an obs erver. on the…

A: Given: The length of the rocket ship is 100 m. The observed length is 99 m.

Q: The flexible loop in the figure below has a radius of 11.0 cm and is in a magnetic field of…

A:

Q: What happens if you place two neutrons close together

A: Neutron does not have electric charge. It is electrically neutral. So, there is no electrostatic…

Q: A pilot flies in a straight path for 1h 30 min. She then makes a course correction, heading 11…

A:

Q: Rg object cycles per second. If the amplitude of the oscillation is 0.25 m, find the maximum speed…

A: b) mass= m = 2kg frequency = f = 5 Amplitude = A = 0.25 m

Q: The cat runs a constant speed of 6.4 m/s. If the cat runs a total of time 76.7 mins. How much…

A: Given: Speed (S)  = 6.4 m/s Time (t) = 76.7 min = 4602 second        .......(1 min = 60 s)

Q: electrical o these po са

A:

Q: A certain laser emits light of wavelength 6.33 x 10-7 m. What is the frequency of this light in a…

A: