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What is the speed of the roller coaster at the bottom of the first hill? (when the coaster is 15m above ground level).
A 6.0 kg block is pushed 8.0 m up a rough 37 degree inclined plane by a horizontal force of 75N. If the initial speed of the block is 2.2m/s up the plane.
The crate has a mass of 150 kg and rests on a surface for which the coefficients of static and kinetic friction are us= 0.3 and uk = 0.2 respectively.
A cylinder with initial volume V contains a sample of gas at pressure p. The gas is heated in such way that its pressure is directly proportional to its volume.
A layer of transparent plastic (n = 1.59) on glass (n = 1.52) looks dark when viewed in reflected light whose wavelength is 570 nm in vacuum.
How will the kinetic energy change? How will the gravitational potential energy change? How will the mechanical energy change?
When blue light (wavelength 589nm)is reflected from an air wedge formed by two flat glass plates, the bright fringes are 0.6cm apart.
Petroleum flows along a 10-cm diameter pipeline at a speed of 2.0 m/s. Determine the flow rate, assuming the liquid is ideal.
They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.41 x 10-11m.
The sound travels through the left tube LXM, which has a fixed length. Simultaneously, the sound travels through the right tube LYM
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.