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If the work required to speed a car up from 10 km/h to 20 km/h is 5.0 x 10^3 J, what would be the work required to increase the car's speed.
A solid cylinder of mass 8kg and diameter 20cm is rotated about an axis parallel to its central axis at a distance of 10 cm from the cylinder.
The sound produced by a loudspeaker has a frequency of 12,000 Hz and arrives at the microphone via two different paths
The center of mass of three objects is located at (1,0). One object with a mass of 5 kg is at (-2,-1) and a second object with a mass of 2 kg is at (0,0).
A 90g bullet is fired from a rifle having a barrel 0.690m long. Assuming the origin is placed the bullet begins to move, the force (in newtons) exerted.
The object has a speed of vi = 3.50 m/s when it makes contact with a light spring that has a spring constant of k = 50.0 N/m.
Perform the following operations and write your answers with the appropriate number of significant figures
The two objects are placed 1 meter apart. For the force that each object exerts on the other to be a maximum, q should be:
Water at a pressure of 3.8 atm at street level flows into an office building at a speed of 0.50 m/s through a pipe 4.2 cm in diameter.
A particle with charge Q is on the y axis a distance a from the origin and a particle with charge q is on the x axis a distance d from the origin.
A spherical shell has an inner radius of 3.7 cm and an outer radius of 4.5cm. If charge is distributed uniformally throughout the shell with a volume density.
A 82.3-kg skier rides a 2860-m-long lift to the top of a mountain. The lift makes an angle of 16.6° with the horizontal.
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch.
As the earth rotates through one revolution, a person standing on the equator traces out a circular path whose radius is equal to the radius.
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.0 m/s in 1.5 s.
A train travels due south at 60 m/s. It reverses its direction and travels due north at 60 m/s. What is the change in velocity of the train?
What is the optimal speed of the ferry, relative to the shore, if it moves perpendicular to a 6 km/h current?
The liquid is inviscid; that is, it has no viscosity, and offers no frictional resistance to movement through it.
What is the magnitude of the gravitational force acting on a 79.5-kg student due to a 60.0-kg student sitting 2.25 m away in the lecture hall?
Some common problems that all homeowners face at one time or another include buckling sidewalks due to changes in temperature.
Bimetallic strips used as adjustable switches in electric appliances consist of metallic strips that must have different.
The filament of a light bulb has a resistance of 580 ?. A voltage of 120 V is connected across the filament. How much current is in the filament?
Consider two Carnot heat engines operating in series. The first engine receives heat from the reservoir at 1800 K, and rejects the waste heat
A Carnot engine operating at 30% efficiency exhausts heat into a heat sink at 283 K. By how much would the temperature of the heat reservoir
Two equipotential surfaces surround a +1.20 10-8 C point charge. How far is the 150 V surface from the 75.0 V surface?