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For all types of materials, resistivity is directly proportional to temperature for a moderate range (less...
A 0.50 m radius, 1.5 kg wheel is accelerated from rest at 3.00 rad/s2 for 8.00...
2. A horizontal, 50 N force acts on a 5 kg mass, which is initially at...
Two small spheres are attached to the ends of a long, light, non-conducting rod. A third,...
Consider the right triangle shown below. If the hypotenuse c = 6.1 cm and angle α...
Explain with an example why Rest and Motion are relative terms.
A flywheel with a radius of 0.500 m starts from rest and accelerates with a constant...
Can you have a net electric force on an object with no net charge? (This question...
A puma leaps from one cliff ledge to another, the second ledge leapt to is 0.7m...
The total cross-sectional area of the load-bearing calcified portion of the two forearm bones (radius and...
A 4.00 kg mass on a frictionless horizontal surface is attached to a spring. The other...
The Union Pacific Big Boy was a locomotive that was 132 feet long and weighed 1.2...
At an Amazon shipping center, a box of cups of mass 2.6 kg rests on top...
Describe three ways by which prisms are used in the assessment of squint and heterophoria
A proton moves in uniform circular motion perpendicular to a uniform magnetic field with B =...
A 1281-kg car is moving due east with an initial speed of 27.9 m/s. After 7.44...
A solid cylindrical disk has a radius of 0.19 m. It is mounted to an axle...
A cable lifts a 1080-kg elevator at a constant velocity for a distance of 33 m....
A long thin rod of length L has a linear density λ(x)= A(L-x)^2 where x is...
A 60Co source with activity 15.0 Ci is imbedded in a tumor that has a mass...
An AC source operating at 60 Hz with a maximum voltage of 173 V is connected...
1. A 100g ball move up from ground level and come back to ground level in...
What uniform magnetic field, applied perpendicular to a beam of electrons moving at 1.60 x 10...
3.. A 1800kg car is placed on an inclined plane with an angle of 37° to...
Three thermometers are in the same water bath. After thermal equilibrium is established, it is found...
The radius of an alıminum wire is 2 cm,and the speed of free electrons is 3.6x10-4...
7. A heterogeneous uranium-water lattice consists of a square array of natural uranium rods 1.50 cm...
2-) A diffraction/interference pattern using a red helium-neon laser as a light source is observed on...
We have 2.0 kg of ice in a bucket. The temperature of the ice and bucket...
1-When a positively charged object is brought near a grounded object (without touching) the force between...
3. A 60 kg diver in a full layout position, with a total body radius of...
. A parallel plate plasma reactor with 60 cm diameter electrodes contains argon at a pressure...
1. A cannon ball is fired from a giant cannon whose length is 1.00 x 102...
You have a tuning fork, water and a graduated cylinder. a.) Describe a simple experiment that...
A small jet airplane with a mass of 49,500 kg sits at rest at the start...
three point charges lie along a circle of radius r= 3.00 cm: q1=7.00 nC at angle...
1. A block of mass is pulled up an incline. F= 34 N, mass= 6kg and...
A 0.454-kgkg block is attached to a horizontal spring that is at its equilibrium length, and...
A worker stands on the roof of a 45.0 m high building that is under construction....
1a. You launch a projectile at an initial speed of 43.8 m/s from the ground. After...
A model rocket is bolted to the ground. A careless student hits the launch button anyway....
A thin disk with radius R has a surface charge density varying with σ = Cr....
The motion of cars 'A' and 'B' is described by the figure shown below: car 'A'...
Find the total capacitance of the combination of capacitors shown in the figure below. (C1 =...
A 1200-kg sportscar is heading east at 75 km/h toward the east when it collides with...
A converging lens of focal length 7.97 cm is 20.0 cm to the left of a...
An object moving in the xy-plane is subjected to the force F = 2xy i +...
What is always true of the mechanical advantage of a third class lever? Of a second?...
Ray Tracing - Lens On the diagram below or on a separate sheet of paper, generate...
What is the pressure drop (in N/m2) due to the Bernoulli effect as water goes into...
a positively charged rod is brought near a face of initially neutral metal ball, the other...
a. A tiger leaps from the ground into the air with a speed of 15.0 m/s...
Which of the following is a TRUE statement about Thermodynamics? a substance with a low specific...
A radioactive isotope has a half-life of 72.0 min. A sample is prepared that has an...
As a part of the hardening process a thin square steel plate, measuring 10 cm on...
An initially uncharged air-filled capacitor is connected to a 4.65 V charging source. As a result,...
Step 5: Cut open a disposable diaper (in the absorbent area) and shake out some of...
A hollow sphere with v0 = 0 starts rolling down a 3,0m long, 20° incline. a)...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
Four straight rods are each 1.0m, with masses 1.0 kg, 2.0kg, 3.0 kg and 4.0kg. The...
You start at rest and accelerate at a certain rate “a” for a distance “d” and...
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the...
A spinning top is an old child's toy that spins on a pointed end. A top...
For this question assume the earth is a sphere of radius 6.38 x10^6 m. A friend...
A golfer hits a shot to a green that is elevated 2.50 m above the point...
A 2.8 104 kg spacecraft orbits a planet of mass 1.2 1025 kg. The...
1. [15 pts] A man drags his 35.0 kg suitcase across the ground with a force...
14.1) a. How far from a converging lens of focal length f (in mm) must an...
An 80.5 kg tight rope walker falls from a wire positioned above a safety net. If...
853N Tarzan is swinging around the jungle over rivers of Piranha fish. In one particular swing...
For an object moving along the x axis, the potential energy of the frictionless system is...
I need a lab created for conservation of momentum using two hot wheel cars for the...
The work function of a particular substance is 5.3 × 10-19 J. What is the photoelectric...
2. If we experimentally obtain the time intervals, which separate known distances. Experimentally we produce: a....
You are trying to ride on a uniform ladder with length (l=6m) and mass (m=16kg) that...
1.Four charges are located on the corners on of a square. The sides of the square...
say that, during a storm, you can estimate how far away the storm is by counting...
Consider an n-doped semiconductor with an effective electron mass equal to one half the free electron...
A 100-kg woman hikes from sea level to the top of Mt. Everest (elevation 8848 m)....
A 11-A current flows into a parallel combination of a 7-Ω, 8-Ω, and 19-Ω resistor. What...
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