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A 14500 kg railroad car travels alone on a level frictionless track with a constant speed...
An airplane has a mass of 2.3×106 kg , and the air flows past the lower...
The rodeo clown zigzagged in the ring to avoid the stampeding hooves of an upset horse....
Radio waves from a star, of wavelength 282 m, reach a radio telescope by two separate...
A) How long does it take the ball to reach the maximum height?
Ernest Rutherford demonstrated that nuclei were very small and dense by scattering helium-4 nuclei (4He) from...
A laser emits a beam of light who’s photons all have the same frequency. When the...
Why might an ammeter give a negative value for current? (HINT: Part of a current’s measure...
A 9600 kg boxcar traveling at 15 m/s strikes a second boxcar at rest. The two...
Which one of the following statements concerning proper length of a meter stick is true? Explain...
Describe the evidence from Nuclear Physics for the following properties of the nucleon - nucleon interaction...
A block is initially sliding to the right across a frictionless surface toward a spring. The...
The ground state electronic configuration of a neon atom is 1s22s22p6. How many of these electrons...
The equation E = mc2, where c = the speed of light in vacuum, says that...
Rutherford experiment. The target of the experiment is a thin foil. Why is it important for...
You step on an elevator at the 30 th floor and ride down to the 5...
46.. The Crab Pulsar is a neutron star, rotating with a period of about 33.085 ms....
An insulated beaker with negligible mass contains liquid water with a mass of 0.225 kg and...
The gravitational acceleration at the surface of planet X is 12.4 m/s2, and the radius of...
The Pleiades open cluster contains 230 stars within 4 pc. Estimate the velocities of the stars...
A giants image is projected onto a screen through a lens of 2cm focal distance. The...
Consider the following four-process cycle that is carried out on a system of monatomic ideal gas,...
The absolute visual magnitude of RR Lyrae variables is 0.6±0.3. What is the relative error of...
A wire is 24.5 m long at 4.00°C and is 1.35 cm longer at 33.0°C. Find...
A 93 gram apple falls from a branch that is 2.5 meters above the ground. (a)...
An experiment is performed in deep space with two uniform spheres, one with mass 28.0 kg...
If the force on the tympanic membrane (eardrum) increases by about 1.5 N above the force...
A photon is emitted when an electron transitions to a lower energy level. If the emitted...
At a steam power plant, steam engines work in pairs, the heat output of the first...
You are traveling on an airplane. The velocity of the plane with respect to the air...
If an astronaut on Earth can throw a ball straight up to a height of 19.1...
An automobile engine develops a torque of 265 m⋅N at 3490 rpm. What is the horsepower...
Find the average binding energy per nucleon of 92 42 Mo and 82 36 Kr. Enter...
1. While standing at the edge of a bridge, you throw a ball upward with an...
A child bounces in a harness suspended from a door frame by a spring. (a) If...
A tank made of copper has a volume of 80 liters. If it is completely filled...
A(n) 14 g object moving to the right at 36 cm/s overtakes and collides elastically with...
In a particular crash test, an automobile of mass 1542 kg collides with a wall and...
(a) How much heat transfer (in kJ) is necessary to raise the temperature of a 0.170...
Why do many astrophysicists believe that the universe is full of so-called "dark" matter? What reasons...
A 15.0-kg solid gold statue is raised from the sea bottom. What is the tension in...
How does the radius of curvature of the mirrors relate to the curvature of the laser...
a) I carry a 5 C particle through a uniform magnetic field of strength 3 T...
A track athlete runs the 1,600 m race, which is 4 laps around a 400 m...
A solid sphere of radius 40.0 cm has a total positive charge of 38.4 µC uniformly...
Give the direction of the net force acting on each of the following objects. If the...
a) A solenoid of radius 4 cm, 3100 turns, and a length of 7 cm is...
A satellite 595 km above the earth's surface transmits sinusoidal electromagnetic waves of frequency 92.6 MHz...
An air bubble is 2.81 mm in diameter at depth 96.8 meters below the surface of...
5 molecules have speeds 11, 17, 42, 13, 94 m/s. Find the difference between the root...
The total electric field consists of the vector sum of two parts. One part has a...
A bullet is shot into a block of plastic. The bullet penetrates the block 0.55 m....
A 20.0 kg wood ball hangs from a 1.30 m long wire. The maximum tension the...
Problem: Orbital Mechanics A spaceship is waiting for launch at the Kennedy Space Center (Located at...
A student swings on a vine over a river on a 4.5 m long rope that...
A ball has a mass of 112.0 grams and a volume of 102.0 ml. The ball...
A 700 g air-track glider attached to a spring with spring constant 14 N/m is sitting...
What is the efficiency of a machine in which 5700 J is required to raise a...
Please include as detailed an explanation as possible with equations and concepts written out. In old...
A 45.0 kg cube is resting 0.750 m from the center of a solid 125 kg...
A weight lifter raises a barbell of mass 72 kg to a height of 0.65 m...
A physical pendulum has an oscillation frequency of f. A doubling of the the rotational inertia...
12. In any time independent Schr¨odinger equation problem the time independence leads to the Energy being...
18. Nine identical spin- 1 2 particles are put into a 3D Harmonic Oscillator with classical...
14. The Lyman α line (n=2 goes to n=1 in Hydrogen), in a distant gas cloud,...
A certain transverse wave is described by the equation y(x,t)= ( 7.00 mm )sin2π(t0.0360s−x0.280m). A:Determine this...
5. Rutherford scattered a parallel beam of α particles with fixed kinetic energy from a gold...
In a ballistic pendulum, a spring gun, with a spring constant k, is aimed horizontally releasing...
In a collision between two carts being launched towards each other, one cart having a greater...
Muons are produced high above the earth (typically 20 km) from energetic protons in cosmic rays...
Consider the quasi-static expansions of an ideal gas between the equilibrium states A and C of...
An infant's toy has a 120 g wooden animal hanging from a spring. If pulled down...
A soild conducting sphere of radius 10.0cm has a total positive charge of 8.00 uC. Thus,...
24. How many calories are required to increase the temperature of 50 grams of water by...
Suppose 1300 J of heat are added to 4.3 mol of argon gas at a constant...
A 1.1 kg block of ice is initially at a temperature of -5°C. (a) If 5.3...
80Br can undergo all three types of beta decay. a) write doen the decay equation in...
Suppose the range of the nuclear force was 5fm. Compute the mass (in MeV/c^2) of an...
Show that ghe alpha particle emitted in the decay of 232Th carries away 4.01MeV, or 98%,...
Two loudspeakers emit 400Hz notes. One speaker sits on the ground. The other speaker is in...
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