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A) Find the change in momentum of a 1380 kg car that increases its speed from 6.0 m/s to 16.0 m/s in a time of 16 s while traveling in the same direction? Express your answer to two significant figures and include the appropriate units.
B) What minimum force, applied in the direction of motion, is needed to do this? Express your answer to two significant figures and include the appropriate units.
A force F = 4.2 Ni + 3.7 Nj + 1.2 Nk acts on a particle located at x = 3.3 m. What is the torque on the particle around the origin
assume that you are a Haitian taptap driverand want a more comfortable ride. You decide to replace the springswith new springs that can handle the typical heavy load on yourvehicle. What spring constant do you want your new spring system to have.
In a thin film experiment, a wedge of air is used between two glass plates. how much thicker is the air wedge at the 16th dark fringe than it is the 6th
A 30 g steel ball bounces elastically on a steel plate, always returning to the same maximum height h = 14.2 m. What is the time interval between bounces
A 23 g ice cube at -4.6 oC is place in an aluminum cup whose initial temperature is 80.56 oC. What is the mass in grams of the cup
A five-sided object, whose dimensions are shown in the drawing, is placed in a uniform magnetic field. Determine the magnetic flux through the slanted side
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
A 48.9 kg girl is standing on a 129 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is the velocity of the plank relative to the ice surface
What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 6.99 m/s when going down a slope for 2.15 s
A parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material. What is the dielectric constant of the material that was initially used to fill the gap between the plates
Mary runs off a diving board with a velocity of 1.7 m/s in the horizontal direction. If the water surface is 2 meters below the board: A. how long will it take for her to hit the water B. where will she hit the water C. With what velocity will she..
An object is accelerated by a force. If the force is increased by a factor of 3 and the mass is increased by a factor of 4, by what factor will the acceleration change
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