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A meterstick weighing 1.2 N is supported horizontally by two fulcra positioned at x1 = 30...
you hear a sonic boom of a high speed jet plane exactly 3.50s after it passes...
3.95 moles of an ideal gas are compressed isothermally at a temperature of 18.8∘18.8 ∘ C...
You've been hired by a company that is designing a new toboggan (Slide) for an aquatic...
A 13.0 mL sample of ocean salt water has a mass of 13.5 grams. How far...
A long straight wire is carrying a current of I = 50A on the x-axis. A...
Question 1: A wood crate (m = 200 kg) sits in the back of a truck....
A 1.0-m lamp cord leads from the 110-V outlet to a lamp having a 75-W lightbulb....
A 0.300 kg oscillator has a speed of 90.4 cm/s when its displacement is 2.00 cm...
A piano tuner stretches a steel piano wire with a tension of 932 N. The wire...
An insect 1.3mm tall is placed 0.9mm beyond the focal point of the objective lens of...
A radio-controlled helicopter with rotor length, L = 286 mm and rotor mass (of both blades...
It looks like there is an earth sized planet in the habitable zone of Proxima Centauri,...
A stellar black hole may form when a massive star dies. The mass of the star...
A satellite, moving in an elliptical orbit, is 360 km above Earth’s surface at its farthest...
How many Watts per square meter ( W / m^2 ) fall on the top of...
the demensions of a classroom at 4.2 m * 3m* 2.5m assume the air in the...
... » Power dissipated by an RLC circuit ... An AC voltage with an amplitude of...
The fundamental frequency of a pipe that is open at both ends is 591 Hz. Use...
Two carts, one twice the mass of the other, experience the same force for the same...
A ball (hallow spherical sphere) with mass of 0.2 kg starts to roll from an incline...
A freezer maintains an interior temperature inside of −28.0°C and has a coefficient of performance of...
Online trolls drive us crazy saying that our cars are big, heavy and that they drive...
What is the difference between the subject of a musical ethnography and its topic? How are...
1a What is the COLDEST thing that you know about? Give its temperature in FAHRENHEIT, CELSIUS,...
1. Calculate the speed of a satellite moving in a stable circular orbit about the Earth...
Keilah, in reference frame S, measures two events to be simultaneous. Event A occurs at the...
A stick which is 1.84 meters long is leaned against a wall at an angle. If...
A roller coaster reaches the top of the steepest hill with a speed of 6.7 km/h...
A satellite is in a circular orbit about the earth (ME = 5.98 x 1024 kg)....
A simple harmonic oscillator consists of a block of mass 1.50 kg attached to a spring...
A spring of negligible mass has force constant k = 900 N/m . You place the...
A. It takes 799 Joules of work to compress 0.301 moles of an ideal gas from...
The electric potential at a distance of 20.0 cm from a point charge is +1.0 kV...
A 1.0 kg spherical mass with a 10-cm radius rolls without slipping 5.0 meters down a...
Two small stereo speakers are 3 m apart and act as a double slit interference experiment...
1) You approach a negatively charged rubber rod to a grounded conductor without touching it. Then...
A full shipping crate sitting at rest on a warehouse floor experiences an upward normal force...
A lorry carrying a heavy crate is travelling at 20m/s, when it turns onto an unbanked...
You vacate the laboratory after dropping a 1 Liter bottle of Acetone. The bottle breaks and...
A galvanometer has an external resistance of 45.0 omega and deflects full scale for a current...
The velocity field for a flow is iven by V=ui +vj +wk where u=3x, v= -2y,...
Describe Ohms Law as an equation in 1-2 sentences. Describe the concept of internal resistance in...
A) A real object is placed 8 cm in front of a convex lens with...
What is the stopping potential for electrons liberated from gold (work function = 5.10 eV) by...
A. A 2.70-cm-high insect is 1.10 m from a 139-mm-focal-length lens. Where is the image? Follow...
A cylinder rolls down a ramp (I=1/2MR^2). Its mass is 10kg and has a 0.5m radius....
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.5...
A woman stands a distance d from a loud motor that emits sound uniformly in all...
A wire having a linear mass density of 1.04 g/cm is placed on a horizontal surface...
A veterinarian uses a hypodermic syringe like the one shown in the figure to inject a...
On a frictionless horizontal air table, puck A (with mass 0.254 kg ) is moving toward...
A hollow spherical shell with mass 2.15 kg rolls without slipping down a slope that makes...
A girl stands on the edge of a merry-go-round of radius 1.90 m. The merry-go-round is...
A welder using a tank of volume 8.00×10−2 m3 fills it with oxygen (with a molar...
A 2.2 kg object is attached to a horizontal spring of force constant k = 4.5...
Jason, a 60 kg cyclist, is pedaling his bike at a good clip, using a total...
An arrow is shot from a height of 1.7 m toward a cliff of height H....
Two objects collide head on. Assume they have equal masses but unequal velocities, such that the...
The period of an oscillating particle is 56 s, and its amplitude is 18 cm. At...
A rifle with a weight of 25 N fires a 5.5-g bullet with a speed of...
The average human body gives off heat at a rate of about 100W. A law office...
A large diesel locomotive has a mass of about 1.1 x 105 kg and is traveling...
2) A 654 kg SmartCar initially traveling at 7.40 m/s collides with a 987 kg VW...
A bowling ball with radius r = 0.100 m is released from rest on a 30.0...
a plane flies from city A to City B. City B is 1540 km west and...
A string or rope will break apart if it is placed under too much tensile stress....
An object is 1.75 m to the left of a lens of focal length 0.94 m....
Overall heat transfer co-efficient A pipe carrying milk at 4 °C without insulation will gain heat...
The angular momentum of a flywheel having a rotational inertia of 0.161 kg·m2 about its central...
A newspaper boy is coasting forward at 3 m/s on his skateboard. Boy, newspapers and skateboard...
A 140-lb diver performs a 1 ½ flip off a diving board. While spinning 1220deg/s, the...
Three equal masses m are placed in contact with each other forming a straight line segment....
If U-238 splits into two even pieces , and each piece emits an alpha particle ,...
Why is ethanol cost-competitive with gasoline in Brazil? The cost of corn is less in Brazil...
a) For a uniformly charged ring, At what distance x, the maximum magnitude will occur?( need...
An experiment you're designing needs a gas with gamma = 1.66. You recall from your physics...
2. You want to turn on the current through an inductor (inductance = L) in a...
A 3800-pF air-filled capacitor is connected to a 16-V battery. If you now insert a ceramic...
A particle of mass m = 1.3 kg and initial velocity v0 = 12.5 m/s, strikes...
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