Two cars collide head on while each traveling at 50 km/h. Suppose all their kinetic energy is transformed into the thermal energy of the wrecks. what is the temperature increase of each car? you can assume that each car's specific heat is that of iron. Express answer in degrees Celsius

Q: Consider the motion indicated by the graph below. Write the equation of the line (in slope-intercept…

A: We have to find equation of line from given graph.

Q: A stone is thrown vertically upward from the ground with a velocity of 49m/s. After 2 seconds,…

A: Velocity of stone 1, v1 = 49 m/sTime taken by stone 1 to hit the ground = t1 secTime taken by stone…

Q: A 5.58 kg object falls freely (ignore air resistance), after being dropped from rest. Determine the…

A: Solution:Given:m = mass of falling object = 5.58 kgg = gravitational acceleration = 9.81 m/s2There…

Q: Consider a mass spectrometer used to separate the two isotopes of uranium, 238 U³+ (3.952 x 10-25…

A: See below

Q: Major Concepts - An object moving at a constant [Select] -A 10-kg object at rest that is 5 m above…

A: “Since you have posted multiple questions, we will provide the solution only to the first five…

Q: The position of a particle in the xy-plane at time t is r(t) = (e¹) + (4²¹) j. Find an equation in x…

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Q: The vector was 20 meters at 36.87° east of south. What is the angle this vector makes with the +…

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Q: A firefighter who weighs 150 lb slides down an infinitely long fire pole that exerts a frictional…

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Q: Starting from rest, a 10.8cm diameter compact disk takes 7.96s to reach its operating rotational…

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Q: John kicks the ball and launches it into the air with an angle of 32° to horizontal. If it's initial…

A: Initial velocity, v= 12 m/s Angle of projection,  θ=32°

Q: Find the period of a wave where the wavelength is 1.2m and the wave travels at 0.52 m/s.

A: Wavelength is Wave speed is Note:Find:Time period of wave.

Q: 1) On the right is an elevator cabin with a passenger being moved by the tension in the cable…

A: In this scenario, our objective is to move an elevator cabin, with a passenger inside, to a specific…

Q: what is the name of the process when water waves going from a deep water into a shallow water

A: It is given that water waves going from a deep water into a shallow water .

Q: A model rocket is fired vertically from rest.        It has a constant acceleration of 19.8 m/s2…

A: A model rocket is fired vertically from rest. It has a constant acceleration of 19.8 m/s2 for the…

Q: The figure shows an object's acceleration-versus-force graph. (Figure 1) Figure a (m/s²) 4 3 2 0 0.0…

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Q: a beam of wavelength 500nm falls on YDSE.if the width of the slit is 0.3mm,find number of maxima in…

A: A beam of wavelength 500nm falls on YDSE. If the width of the slit is 0.3mm, To find the number of…

Q: Give and explain at least 2 evidence that light is a particle. Make sure that you include photo…

A: Evidence 1: Photoelectric Effect:- The photoelectric…

Q: Special relativity tells us that someone sprinting will shrink, or undergo length contraction, along…

A: The velocity of the sprinter, vs=13 m/s The width of the human hair, wh=50μm The width of the atom,…

Q: A single bead can slide with negligible friction on a wire that is bent into a circle of radius…

A: A single bead can slide with negligible friction on a wire that is bent into a circle of radius…

Q: An m 11.0kg mass is attached to a cord that is wrapped around a wheel of radius r= 12.7cm (see the…

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Q: Given the following three graphs, invent a story to describe the motion recorded. 10 Rosition: -2 5+…

A: The velocity of an object is the rate of change of position with respect to time. The acceleration…

Q: Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the…

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Q: A heavy rock is shot upward from the edge of a vertical cliff. It leaves the edge of the cliff with…

A: Horizontal component of velocity is: ux = ucosθux = 15cos(900 -250) ux= 6.34 m/s Now, the vertical…

Q: bottled water plant fills bottles using a nozzle straight down. water exits the nozzle at a flow…

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Q: The 55.8-kg sign hangs from two cables which make an angle of 26.6° with the horizontal. Determine…

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Q: A 6.2 m^3 object floats in water with 46% of its volume above the waterline. What is the force the…

A: Volume of object is Object floats in the water with of its volume above the waterline.Density of…

Q: 18. Achild sits on a sled at the top of a hill, the hill makes an angle of 20° with the horizontal.…

A: N=mgcos⁡θ (equation 1)   Explanation:   Because net force perpendicular to slop is zero.…

Q: Two horizontal plates of opposite charge form a constant electric field = 1000 N/C directed…

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Q: A common graphical representation of motion along a straight line is the v vs. t graph, that is, the…

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Q: The energy of a “red” photon emitted from a HeNe LASER is 3.134x10-19 J. Calculate the total energy…

A: E=3.134×10-19J (Energy of red photon from He Ne laser) To find: total energy of  a) 1 dozen photons…

Q: Two boats are anchored 6 meters apart. They bob up and down, returning to the same position every 5…

A: Two boats are anchored 6 meters apart. They bob up and down, returning to the same position every 5…

Q: You are in charge of keeping the gravity "on" at the space station (we will cover how you do this…

A:

Q: Find z= sqrt(xy)     Given x = 2.00 ± 0.54  y = 8.00 ± 0.32  z =  __± __

A: To calculate z = √(xy), we need to multiply the central values of x and y, and then calculate the…

Q: A rock sample which originally contained 400 grams of radioactive isotope X now contains 25 grams of…

A: Half-life is given by:Hence disintegration constant (k) is given by:

Q: of yours was making ing mea irements large solenoid that is connected to an ac voltage source.…

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Q: at any time t seconds the distance x meters of a particle moving in a straight line from a fixed…

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Q: A high-speed sander has a disk 4.10cm in radius that rotates about its axis at a constant rate of…

A: Radius of disk = 4.10 cm Rotational speed = 1250 revolutions per minute

Q: A drone's velocity at two times 10 s apart is given by the following vectors: ( 7 17 ) m/s ( 12 3 )…

A: V0→  = 7 i^ + 17 j^ m/s v10→ = 12 i^ +3 j^ m/s

Q: For an isothermal reversible expansion of two moles of an ideal gas, what is the entropy change of…

A: Number of moles: n=2 We need to calculate the change in the entropy of the a) gas and b) the…

Q: 1. In a quasi-static isobaric expansion, 600 J of work are done by the gas. If the gas pressure is…

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Q: . Two loudspeakers in a 20 °C room emit 686 Hz sound waves along the x-axis. What is the smallest…

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Q: a) b) C) d) e) 6,90 4,75 Locate the centroid y for composite body shown in the figure. 7,25 6,1 5,25…

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Q: 1- Write down a relation to find the magnetic force acting on a current carrying conductor and draw…

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Q: Determine the work done by the snowmobile engine. Input your answer with 1 decimal place

A: Given data from the question:- mass of slider pulled from rest by snowmobile  (m)  = 64 kg.…

Q: A 0.203 kg baseball is pitched to a batter with an initial speed of 18.4 m/s, if the bat delivers a…

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Q: 29) Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount…

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Q: Kennedy decides to meet up with Meagan after school to discuss their catapult assignment. She walks…

A: Initially the person covers the distance towards west direction.Then the person covers towards the…

Q: Show the LOST of an object in front of a convex mirror in the following positions: Case A: beyond C…

A: rules  ray parallel to principal axis after reflection passes from focus  ray passes from C retraces…

Q: Describe possible sources of random and systematic errors in the following measurement. Speeds…

A: In the measurement of speeds of cars recorded by a police officer using a radar gun, both random and…

Q: During a recent winter storm, bales of hay had to be dropped from an airplane to a herd of cattle…

A:

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.