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A rock is dropped from rest into a canyon and strikes the canyon floor after 1.9 s. Approximately how deep is the canyon?
question1a small metal ball carrying a net charge of q1 -2.40 mu c is held in a stationary position by insulating
A trailer has a mass of 1000 kilogram, and starts out traveling at 20 meter per second. Find how much work did the truck do on the trailer
At a certain location, the Earth's magnetic field has a magnitude of 5.6*10^-5 T and points in a direction that is 68° below the horizontal. Find the magnitude of the magnetic flux through the top of a desk at this location that measures 110 cm by 71..
A 0.1 Kg hockey puck slows down from 45 m/s to 44 m/s due to friction as it slides 25m across the ice. a) Draw a free body diagram showing all the forces on the puck b)using the work-energy relationship, find the work done by the frictional force.
A 1.00 Kg ball is shot out of a cannon inclined at 40 degrees, by a spring initially compressed by 0.500 m. Where does the ball land relative to the cannon
An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point dire..
A pendulum consists of a 3.1 kg stone swinging on a 4.2 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. what is the total mechanical energy of the system
Coulomb's Law describes the force between two charged objects, What is the magnitude and direction of the electrical force on object 2 due to Object 1
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. How many electrons pass through the wires connected to the patient
When you take your 1300 kg car out, you go around a corner ofradius 59 m with speed of 16 m/s. what is the force exerted by static friction
The driver of a car slams on the brakes when he sees a tree blocking the road. With what speed does the car then strike the tree
A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.40 s. What is the friction force acting on the bag
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