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A shot putter launches a 7.41 kg shot by pushing it along a straight line of length 1.58 m and at an angle of 35.7° from the horizontal, accelerating the shot to the launch speed from its initial speed of 2.6 m/s (which is due to the athlete's preliminary motion). The shot leaves the hand at a height of 2.12 m and at an angle of 35.7°, and it lands at a horizontal distance of 16.3 m. What is the magnitude of the athlete's average force on the shot during the acceleration phase? (Hint: Treat the motion during the acceleration phase as though it were along a ramp at the given angle.)
At a certain location, the horizontal component of the earth's magnetic field is 2.2 10-5 T, due north. Find the speed of the proton
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 8.06 m/s in 4.14 s. What is the magnitude of the linear impulse experienced by a 69.1 kg passenger
find a horizontal force needed to pull a mass of 500 gram at constant velocity on a level surface and µk = 0.3?
As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. What will be the acceleration of the bags when you let go of the anchor bag
A 0.14 kg ball is placed in a shallow wedge with an opening angle of 126°. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless.
When an earthquake occurs, two types of sound waves are generated and travel through the earth. how far (in terms of m) is the seismograph from the earthquake
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 389 m, calculate the linear speed of the dragster
A spring has a spring constant, k, of 440 N/m. How much must this spring be stretched to store 25 J of potential energy
Two point charges have a total charge of 515 µC. When placed 1.15 m apart, the force each exerts on the other is 24.4 N and is repulsive. What is the charge on each.
The air pressure above the liquid in figure is 0.532 atm. Determine the air pressure in the bubble suspended in the liquid
Margaret walks to the store using the following path: .500 miles west, .200 miles north, .300 miles east. What is her total displacement
In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. Once the room gets spinning fast enough, the floor drops from the bottom of the room! What is the speed of a person "stuck" to the wall
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