What are conductors and insulators?

Q: You use a 32 L chamber to hold 11.2 g of Neon gas at 297 K, and then allow the gas to expand reversi...

A: Given Data: The initial volume of a chamber is, V1=32 L The final volume of a chamber is, V2=2.1 L T...

Q: How do you obtain the average deviation of the mean for a simple case of a series of measurements of...

A: Mean deviation or average deviation is the sum of all the observations divided by total number of de...

Q: An object moves in the x-y plane with a constant acceleration of 2i +3j meters per second squared. T...

A: Given data *An object moves with constant acceleration is a = (2i +3j) m/s2 *The given time is t = 4...

Q: A space beacon on Planet Karma emits a pulse of light every second. Spaceman Trevor flies directly t...

A: Given data: Speed of Trevor, v=0.95c

Q: Consider the lead isotope 207Pb.a. How many electrons, protons, and neutrons are in a neutral 207Pb ...

A: a. the number of proton is equal to atomic number, so it is 82. for a neutral atom, the number of el...

Q: A distant quasar is found to be moving away from the earth at 0.80c. A galaxy closer to the earth an...

A: Given information: The velocity of the quasar, u=0.80c The velocity of the galaxy, v=0.20c

Q: What is the ideal banking angle for a gentle turn of 1.20-km radius on a highway with a 105 km/h spe...

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Q: An object is 20 cm in front of a diverging lens with a focal length of -10 cm. Use ray tracing to de...

A: According to mirror equation, find the location of the image. 1f=1do+1di1di=1f-1do Substitute the va...

Q: The figure below shows an experiment with two marbles. Marble A waslaunched towards marble B with la...

A: Resolve velocity of marble A into two components: vocosα and vosinα as horizontal and vertical compo...

Q: An object moving in a circle with a radius of 0.5 meters accelerates tangentially at 5 meters per se...

A: Given: Radius of circle = 0.5 m. Tangential acceleration at = 5 m/s2. Net acceleration an = 9 m/s2.

Q: The radioactive hydrogen isotope 3H is called tritium. It decays by beta-minus decay with a half-lif...

A: To determine: (a) The daughter nucleus of tritium. (b) The fraction of tritium after the watch was c...

Q: (I) A space shuttle releases a satellite into a circular orbit780 km above the Earth. How fast must ...

A: The distance between the center of the Earth and the satellite is, r=dE+ds=6371 km+780 km=7151 km103...

Q: Physics Problem. image attached

A: (a) The time period of the ball to reach the wall is, x=v0xtt=xv0x=xv0cosθ Substitute the values. t=...

Q: Two rockets, A and B, approach the earth from opposite directions at speed 0.800c. The length of eac...

A: Given data The length of the frame at rest is, Lo=100 m The speed of two approaching rockets A and B...

Q: 7. A body undergoes SHM of amplitude 3cm and frequency 20Hz. What is the velocity of the body at the...

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Q: A car moving westward along a straight level road increases its velocity from 16 m/s to 32 m/s in 10...

A: Acceleration = [ final speed - initial speed ] /        time     

Q: In a typical solar oscillation, the Sun’s surface moves up or down with a speed of 0.1m/s . If you w...

A: Given data *The Sun’s surface moves up or down with a speed is v = 0.1m/s  *The given wavelength is ...

Q: You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force o...

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Q: A paramecium is covered with motile hairs called cilia that propel it at a speed of 1 mm/s. If the p...

A: ρ=Density of water=Density of paramecium=1000 kg/m3V=Volume=2×10−13 m3v=Velocity=1 mm/sL=Length of p...

Q: A rescue pilot drops a survival kit while her plane is flying at an altitude of 2500.0m with a forwa...

A: Using kinematic equation, the expression for find time is ∆y=ut+12at2=12at2t2=2∆ya Substitute values...

Q: In a laser range-finding experiment, a pulse of laser light is fired toward an array of reflecting m...

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Q: A scuba diver makes a slow descent into the depths of the ocean. His vertical position with respect ...

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Q: At 510 nm, the wavelength of maximum sensitivity of the human eye, the dark-adapted eye can sense a ...

A: Given: Wavelength = 510 nm Energy of the light = 4 x 10-17 J  

Q: Spheres A, B, and C have charges +4.0 C, +6.0 C, and -3.0 C, respectively. The three spheres are all...

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Q: A car drives horizontally off a cliff as shown. The car remains in the air for 4s. Neglect drag. 30m...

A: Given data: Initial velocity, u=30 ms-1 Given system is of horizontal projection. Time of flight, T=...

Q: Suppose a cart with mass m and low friction wheels is moving to the right with an initial speed V ju...

A: Let m denote the mass of the cart 1, M denote the mass of the cart 2, v denote the initial velocity ...

Q: An electron in a quantum system has allowed energies E1=1.0 eV, E2 = 4.0 eV, and E3 = 6.0 eV. What w...

A: Emission spectrum is obtained when an electron makes transition from higher energy state to lower en...

Q: Electrons with a speed of 2.0 x 106 m/s pass through a double-slit apparatus. Interference fringes a...

A: (a) The wave length associated with the motion of electron is given by, λe=hmeν Now as we know that ...

Q: An 80-kn-m couple shown in the plate is caused by a pair of parallel forces of magnitude F (not show...

A: Given data: Couple, τ=80 kN.m

Q: A 74.0-kg skydiver reaches a terminal speed of 59.7 m/s with her parachute undeployed. Suppose the d...

A: Given values: Mass of the skydiver,m=74.0 kg Terminal speed,vT=59.7 m/s Acceleration due to gravity ...

Q: The allowed energies of a quantum system are 0.0 eV, 1.5 eV, 3.0 eV, and 6.0 eV. How many different ...

A: Allowed energies of the quantum system are E1 = 0.0 eV E2 = 1.5 eV E3 = 3.0 eV E4 = 6.0 eV

Q: When antimatter interacts with an equal mass of ordinary matter, both matter and antimatter are conv...

A: Let m denote the fuel mass, M denote the spaceship mass after converting the fuel into energy, v den...

Q: How does Einstein’s explanation account for each of these characteristics of the photoelectric effec...

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts f...

Q: A gas of rubidium atoms and a gas of sodium atoms have been cooled to the same very low temperature....

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Q: Can i get help on these problems

A: since the skier is moving with constant speed, the acceleration is zero. therefore, the net force is...

Q: 200 MeV is a typical energy released in a fission reaction. To get a sense for the scale of the ener...

A: The energy to form an electron positron pair is 1.02 MeV. 

Q: As given, at the instant shown, is the apparent weight of the car’s driver greater than, less than, ...

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Q: An object is shot 40 m/s at an angle of 50° from the ground. How far away does it land? A. Fill in t...

A: A. Fill in x and y variables for the object. The object launched from a level ground and reaches the...

Q: An object is thrown into the air going 80 m's at an angle of 60°. How high does it go?

A: A. The object is thrown horizontally from a level ground reaches the same level ground, that is the ...

Q: Two objects travel in opposite directions at the same speed. If they both reverse direction and trav...

A: Two objects moving opposite to each other 

Q: The effective mass of the solid whose energy expression s(k)= A- B cos (k̟b) cos(k,b) near (0,0) is ...

A: Given: Energy expression of the solid, ε(k)=A-Bcos(kxb)cos(kyb) (1) Given Point kx,ky=0,0    

Q: A very fast-moving train car passes you, moving to the right at 0.50c. You measure its length to be ...

A: Given data: Speed of train, u=0.50c length measured by you, l=12 m speed of David, v=0.80c let the r...

Q: Separate questions

A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

Q: The cadmium isotope 109Cd has a half-life of 462 days. A sample begins with 1.0 × 1012 109Cd atoms. ...

A: According to the relation, N=N0etτ N0 is the initial number of Cd atoms, N is the number of atoms le...

Q: What is the de Broglie wavelength of a red blood cell with a mass of 1.00 x 10-11 g that is moving w...

A: The expression for find wavelength is λ=hmv

Q: A Martian lander is approaching the surface. It is slowing its descent by firing its rocket motor. W...

A: When the lander is descending, prior to the firing of the rockets, the only force acting on the land...