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The resistance against a boat is proportional to the velocity. It needs 22 hp to keep...
Metal sphere A, with a radius RA = 2.00 mm, is fixed at the origin. A...
A 0.85 kg block slides 3.3 m across a frictionless, horizontal table at 2.2 m/s, moving...
This time we have a crate of mass 42.4 kg on an inclined surface, with a...
include working in all your answers; 1a) A +5μC test charge is placed 2 m away...
Operational amplifiers have an intrinsic gain (sometimes called the open loop gain), which refers to the...
Q8 Two solid spheres of equal radius and equal mass start at rest at the same...
A 1400 kg car at rest at a stop sign is rear ended by a 1860...
Density of water =1000kg/m^3 Conversion: 1000L =1m^3 A princess's ball falls down a well. The density...
An astronaut in her space suit has a total mass of 87.0 kg, including suit and...
a crate of stuffed kittens with a mass of 1kg compresses a spring a distance of...
Normalize the state |Sx;+> + |Sy;->
A helicopter carrying Dr. Evil takes off with a constant upward acceleration of 6.0 m/s^2 Secret...
a) What is the energy of a photon (in eV) that has a wavelength of 466...
Light travels inside a diamond (n=2.42), and is incident upon the surface with air (n=1.00) on...
A playground ride consists of a disk of mass M = 59 kg and radius R...
Hooke's law describes a certain light spring of unstretched length 38.0 cm. When one end is...
1. For water the density is grater at a) 0 K b) 39.2°F c) 98.7° F...
We usually assume that your weight as measured by a scale is equal to the magnitude...
How can I find angular frequency if I am given force, displacement, and velocity at equilibrium...
You are designing a ski lift to be pulled up the side of a mountain, dragged...
A hockey player is standing on his skates on a frozen pond when an opposing player,...
Assuming that a person made an effort to jump high into the air, the peak height...
On an alien planet, a 2.27 m pendulum goes through one oscillation in 4.76 s. What...
A 165 μF capacitor is used in a circuit. How much energy, in joules, is stored...
Your car is driving around a curve at 15 m/s. Your fuzzy dice on the rear...
A racing driver negotiates a corner of radius 20 m at a speed of 8.5 m/s...
An electron travels with v? =5.40×106i^m/sthrough a point in space where E? =(1.70×105i^?1.70×105j^)V/m and B? =?0.140k^T....
A rod starts at x = 0 and goes out to x =a. It has a...
the wave function of Ψ(theta /phi) =sin (theta) cos (phi) the eigen-function of Lz ? of...
Two skydivers are holding on to each other while falling straight down at a common terminal...
A series RLC circuit contains a 210 Ω resistor, a 17.0 mH inductor, a 2.70 μF...
A spoke OP of a bicycle wheel was originally at a horizontal position. The wheel starts...
1- A certain amount of O2, as an ideal gas, is contained in a cylinder-piston system...
A 4.50 ✕ 105 kg subway train is brought to a stop from a speed of...
A 5.0kg object sits on the furthest edge of a large rotating disk with a radius...
Show all work and diagrams necessary. Please make sure you show how you derive any equations...
Show all work and diagrams necessary. Please make sure you show how you derive any equations...
**Please do not write in handwriting** 1- Compare the values of kinetic, potential and total energy...
A watermelon is dropped from an amusement park ride that is moving straight downwards at a...
The ionized helium atom can be treated with a Bohr model with nuclear charge Z=2. The...
1. What is impedance? How is it different from resistance? 2. In a p-type semiconductor, do...
eddy throws a little sand bag so that is lands on the top of a vertical...
The mass of nitrogen at 20 Celsius and two atmospheres of pressure occupies a volume of...
During a one-hour trip, a small boat travels 80.0 km north and then travels 60.0 km...
A 7.80-g bullet moving at 480 m/s penetrates a tree trunk to a depth of 6.60...
#45) A piece of food is on the edge of a roatating microwave plate. does it...
Describe the various methods by which friction between two surfaces can be reduced.
An alarm clock is 2m away from a man when it goes off. How much louder...
10kg ball hangs off string 1.00m in length. max tension for string: 597N and paintball of...
A 2300 kg car moving at an initial speed of 25 m/s along a horizontal road...
A wheel with a radius of 78.0 cm rolls without slipping along a horizontal floor (see...
A metal rod that has a diameter of 1.0 cm and a length of 0.75 m...
A stone is thrown vertically upward with a certain velocity from a bridge 35.7m above the...
An evacuated tube uses a potential difference of ΔV = 0.58 kV to accelerate electrons, which...
N loops of current carrying wire are coiled together to form a magnetic dipole. The energy...
Question 4. What are the wavelengths of all possible photons emitted from the n = 4...
6. A 10-kg block on a horizontal surface with a coefficient of friction of .5. It...
Unpolarized light of intensity 400 W/m2 is normally incident on a system of two polarizers. The...
Which of the following statements is not true about a closed cycle according to the laws...
Suppose that a train robber decides to stop a train inside a tunnel. The proper length...
A ball is thrown at a velocity of 35 m/s at an angle of 42º above...
Which of the following statements is not true according to the laws of thermodynamics? Group of...
The density of alcohol is 806 kg/m3. A sphere is placed 24 cm below the surface...
A plane is dropping supplies to a raft adrift on the ocean. Just before the plane...
A particle is observed to slow down, stop, turn around, and speed up in the opposite...
Circuit Two A 60 ohm resistor is in branch 3, a 20 ohm resistor in branch...
How many lines per millimeter are there on a diffraction grating that gives a first-order maximum...
On a road trip of 142 miles your car has a gas consumption of 31 miles...
P, Q, and R are three particles with respective electric charges of +1.50 x 10-6 C,...
X, Y, and Z are three particles lying on a straight line. Y in the middle...
There are two long parallel wires that have same directions of currents with a separation 4...
Why do we consider all the work inter exchangeable withheat in for eg. Gasoline engine And...
A long jumper left the ground with an initial vertical velocity of 3.89 m/s and an...
A container is filled to a depth of 17.0 cm with water. On top of the...
A child throws a rock from ground level. Air resistance is negligible. What is the maximum...
1. A 1000.0 kg car is moving at 20 km/h. If a 2000.0 kg truck has...
Copernicus was the first person to suggest that the Sun is at the center of our...
1. A drag racer begins at rest and has constant acceleration over a 0.60 km track...
A baseball pitcher is attempting to strike out a batter and they throw their best fast...
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