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Two newly discovered planets follow circular orbits around a star in a distant part of the...
A Carnot air conditioner takes energy from the thermal energy of a room at 55°F and...
A 16.2 g block of copper whose temperature is 417 K is placed in an insulating...
3. An 8 kg stone rests on a vertical spring of force constant 785 N /...
PART 1: This time we have a crate of mass 26.5 kg on an inclined surface,...
As a city planner, you receive complaints from local residents about the safety of nearby roads...
Two asteroids in space that are near each other experience a force of 5,107 N due...
Q3. A cube with side lengths of 2.91 cm is heated to a constant temperature of...
1) Inside a spacecraft flying past the moon at 0.99c (0.99*3.0*108 m/s) a pendulum is swinging....
The main magnet in an MRI machine is a superconducting solenoid 1.70 m long and 70.0...
A solid cylinder starts from rest at the top of an incline of height h =...
How much work is required to turn an electric dipole 180o in a uniform electric field...
Two meteoroids are heading for earth. Their speeds as they cross the moon's orbit are 2.0...
The focal length of a convex lens is 15 cm. An object 30 cm tall is...
You are holding a 1.5 kg book motionless against a vertical wall by pressing on it,...
Sodium and silver have work functions of 2.46 eV and 4.73 eV, respectively. If the surfaces...
A block rests on a horizontal, frictionless surface. A string is attached to the block, and...
A ski jumper glides down a 37° for 15 m before taking off from a negligibly...
A carousel at the local carnival rotates once every 50 seconds. Part A What is the...
1. What is the weight of a 1.2kg mass on Earth? 2. How much potential energy...
1- During a collision, a 2000-kg car experiences an impulse of 317 N·s. What is the change...
What is the definition of a vector?
1) A Red Car and a Blue Truck are driving down a winding road. Through the...
A bucket of water of mass 15.9 kg is suspended by a rope wrapped around a...
A parson pulls a 10-kg wagon with a force of 100N a distance 5m. The force...
10 kids are riding on a merry-go-round. The merry-go-round has a radius of 3 m and...
Two long straight wires are parallel and carry current in opposite directions. The currents in the...
You bought all your stuff in the US which uses a 120-V AC system at a...
Question 14 One reflector is 5 times deeper than another. The time of flight of sound...
A 14.0 ??F capacitor is charged to a potential of 50.0 V and then discharged through...
A guitar string is clamped at the nut and the bridge. When you pluck the string,...
The nearest star to Earth is Proxima Centauri, 4.3 light-years away. At what constant velocity must...
An electron is confined to a box. In the 3rd allowed energy level, the energy is...
A pulley of mass ? and radius ? (? = 1 2 ?? 2 ) is...
Three +2 µC point charges are fixed in space in the following locations: the first at...
1. Color is produced by light that reflects from a soap film because some of the...
You and your younger brother are designing an air rifle that will shoot a lead pellet...
A metal wrench is suspended from two thin, non-conducting wires. You have a glass rod that...
A certain ideal gas has atomic mass number 806. A flask of volume 0.0996 m3 holds...
An Energy of 68.35eV is needed to ionize an electron from the ground state of a...
A small asteroid that has a mass of 120 kg is moving at 225 m/s when it is 1000 km above the...
2. This is a mostly-qualitative question about the meaning of the critical angle A. for water...
At 589nm, the index of refraction of a good quality apple juice is 1.354 a poor-quality...
Two point charges, Q1 = 3.5 μC and Q2 = -1.5 μC , are placed on...
Photorefractive keratectomy (PRK) is a laser-based surgical procedure that corrects near and farsightedness by removing part...
An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. When...
10 kids are riding on a merry-go-round. The merry-go-round has a radius of 3 m and...
When I shine a particular laser pointer into a simple single-slit apparatus, I find that there's...
A boat is to cross a river that is flowing from west to east with a...
This is a serious question from someone engaged in evaporating large quantities of water to turn...
In 1923, the United States Army (there was no United States Air Force at that time)...
A 3cm object is 11.0 cm to the left of a converging lens with focal length...
Imagine a speaker emitting sound equally in all directions. What is the minimum output power of...
⦁ A blade of length 6m has an angular speed of 6.5 revolution per second and...
A 78 g , 31-cm-long rod hangs vertically on a frictionless, horizontal axle passing through its...
A wooden block is at rest on a frictionless horizontal surface and is connected to a...
find taylor sereis of f(z)=e^-2iz b - f(z)= sin(4z)
1.)A driver on planet Shinlong hangs her car keys from a massless string. The length of...
A car is parked on a cliff overlooking the ocean on an incline that makes an...
1. Imagine tossing a ball of mass "m" into the air and watching it fall down....
Calculate the most probable speed, average speed, and root mean square speed of oxygen gas molecules....
explain the background of making thin films
A bright object and a viewing screen are separated by a distance of 87.6 cm ....
The unstable iodine isotope 53 I (half-life: 8.03 days) is often given to cats with 131...
A circular wire loop whose radius is 16.0 cm carries a current of 2.58 A. It...
Q 10) in 2003, tritium (hydrogen-3) was detected in springwater samples near a nuclear remediation site...
TWO SEPERATE QUESTIONS, thank you question 1. Soccer player one has a mass of 45 kg...
To get your gold down river you want to put it on a raft, but you're...
A drill is used to spin a wheel that begins from rest for two seconds. Then...
A positively charged (91.6 uC) 3.4 x 10-15 kg particle is initially at rest when it...
The sound produced by an outdoor rock concert is 120 dB when measured 1 m from...
(b) Discuss the conceptual differences between g as acceleration of gravity and g as gravitational field.
Plane waves of blue light, ℷ = 434 nm, falls on a single slit, then pass...
(a) A light, rigid rod of length ℓ = 1.00 m joins two particles, with masses...
1. (a) State the First Law of Thermodynamics. (b) Derive a simple relation: Cp - Cv...
A car initially traveling at 25.7 m/s undergoes a constant negative acceleration of magnitude 1.50 m/s2...
10.25 = (1/B)*Ln( Cosh( 1.695*(9.8*B)^(1/2) ) ) Solve for B Ln is the natural log and...
A 0.00600 kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 21.4 kg door,...
Two astronauts (figure), each having a mass of 74.0 kg, are connected by a d =...
An average of 120 kW of electrical energy is sent to a small town 10.0 km...
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