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Physics Questions
A large steel bar of length ℓ is hinged at one end to a wall. A...
Mary needs to row her boat across a 120 m-wide river that is flowing to the...
1)A vehicle with UALM gains a speed of 36 km/h to 108 km/h in 4 seconds....
A truck makes a sharp turn and a box falls out of the truck bed. THis...
Piece of aluminum with an area of .01 M2 and a thickness of 1 cm has...
1- A 10.0-W resistor and a 20.0-W resistor are connected in series with a potentiometer and...
For a gas obeying the van der Waals equation of state evaluate the difference between the...
You are driving on a country road at a constant speed v0, which is above the...
What is the launch speed of a projectile that rises vertically above the Earth to an...
Musical notes have names (A,B,C, etc). The lowest A on a piano is called A0. If...
The instrument used for measuring very small electrical currents is call a(n) Note:in own word
Which of the following statements about how light can interact with atoms is correct? (Check all...
Data Table 3: Time Trials to Drop an Object 2m Item Data Trial 1 Drop time,...
What is Ohm’s Law? Please explain it in own word and longer
What are "series" and "parallel" circuits? Note: (At least 1 paragraph for each circuit.) Thank u
Two objects are dropped from the same height on earth. One has a mass three times...
Which of the following is a better theory? Explain your choice. Law of reflection assuming light...
Imagine 25 grams of ice at -5.0 degrees Celsius and 0.12 liters of water at 33...
you are driving at 22 m/s away from a police cruiser that is chasing you at...
1.) A variable speed electric motor of radius 0.39 m is rotating at 122.1 rad/s. Suddenly,...
Explain how noise-cancelling headphones allow users to listen to music at lower volume levels, with the...
To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1 800...
A 10 muF capacitor is charged to 120V and then disconnected from the power supply. If...
On a horizontal road, a car is traveling West at a constant speed of 11.4 m/s...
A mass hangs vertically from a spring that is attached to the ceiling, and oscillates. If...
A figure skater is spinning slowly with arms outstretched. He brings his arms in close to...
A car traveling at 18.0 m/sm/s skids to a stop in 28.5 mm from the point...
For a spherical celestial object of radius R, the acceleration due to gravity g at a...
A rock is thrown from the edge of a cliff to the ground 19.5 m below....
A fox fleeing from a hunter encounters a 0.640 m tall fence and attempts to jump...
A moving particle with a charge of 6.52C is accelerated through a potential difference of 234mV....
The critical angle between a gemstone and air is 30.9 degrees. Which of the following is...
What's the angle when the wavelength your looking at is 400 nm and the spacing grating...
The D-string on a properly tuned guitar produces a tone with a fundamental frequency of 146.8...
You have a laser with wavelength = 637.3 nm. The grating has a slit spacing of...
Explain the flaw in the following reasoning - When a baseball is hit with a bat,...
A body of mass 5.0 kg is suspended by a spring, which stretches 10 cm when...
A block of mass m = 3.3 kg is on an inclined plane with a coefficient...
Radium-218 (isotope mass 218.0071u) decays to Polonium-214 (213.9952u), which then decays to Lead-210 (209.9842u), both via...
The diagram in Figure 2 shows three identical strings that have been put under tension by...
A) Logs of a certain wood (specific gravity 0.383) are cylinders of radius 13.3 cm and...
A spring clamped to the table shoots a 130 g block directly into another 90 g...
Calculate the KE that the earth has because of a) it's rotation about its own axis...
A block with mass 2 kg is attached to an ideal massless spring and undergoes simple...
Bike at rest goes down on a semi- circular track in a skating park. Track has...
Consider a turtle and a rabbit having a 1000 meter race. The turtle’s speed is 0.1...
What is a virtual object? Give an example of a case wherein an object is deemed...
a proton traveling due north enters a region that contains both a magnetic field and an...
The free-fall acceleration on Mars is 3.7 m/s2. (a) What length pendulum has a period of...
a) What is the DeBroglie wavelength of an electron moving at 2.8x10^6 m/s? b) What is...
Answer each question and justify your answer in one or two sentences. Question 1 A block...
Light with wavelength 700 nm travels through a vacuum (n=1). It is normally incident upon a...
A 0.0392-kg bullet is fired horizontally into a 2.04-kg wooden block attached to one end of...
A bright star 20 light-years away emits violet light with wavelength of 380 nm as seen...
Given the following, calculate the total conductance (or resistance as specified) in the following configurations. Draw...
Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic motion detector....
Two objects, A and B, are brought into contact with each other. The initial temperature of...
If the ladybug has a mass of 6.0 kg and is at a distance r =...
Three small spherical masses are located in a plane at the positions shown below. dynamically generated...
A mixing chamber has 2 inlets, first, steam water enters at 12 bar and 1173.15 K...
The G-string on a guitar is 64.8 cm long and is properly tuned to 196 Hz...
Can an object with zero net force acting on it be moving? Explain. Discuss how an...
In an attempt to escape his island, Gilligan builds a raft and sets to sea. The...
A small mass m is tied to a string and swung in a horizontal plane. The...
Describe the properties of the electromagnetic spectrum
A bat flying at 4.60 m/s is chasing an insect flying in the same direction. The...
In the future, a circular space station far from any planet, moon, or star is rotating...
Part A Who will hear the voice of a singer first: a person in the balcony...
What is the direction of the angular velocity of the hour hand of an analog clock?
The RC charging circuit in a camera flash unit has a voltage source of 305 V...
A 190g object is dropped from a height of 7m. Calculate the potential and kinetic energy...
A 1.5-cm-tall object is 30 cm to the left of a lens with a focal length...
An athlete competing in long jump leaves the ground with a speed of 10.0 m/s at...
Nuclear power plants convert the energy released in fission reactions to electric energy. Consider one such...
A dentist causes the bit of a high-speed drill to accelerate from an angular speed of...
A down jacket has a surface area of 0.78 m2 and is filled with a 4.2...
A 46.5 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 348...
a newly discovered planet has a radius of 3.7x10^6 m and a mass of 5.5x10^24 kg....
A small plane that moves along a 1.5 km long runway during take-off accelerates from rest...
A mass hangs vertically from a spring that is attached to the ceiling, and oscillates. If...
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