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1. A spring with a spring constant of 224.8 N/m is compressed by 0.229 m. Then a steel ball bearing of mass 0.0391 kg is put against the end of the spring, and the spring is released. What is the speed of the ball bearing right after it loses contact with the spring? (The ball bearing will come off the spring exactly as the spring returns to its equilibrium position. Assume that the mass of the spring can be neglected.)
2. A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.195, and the mass of the sled, including the load, is 210.4 kg. If the horse moves the sled at a constant speed of 1.775 m/s, what is the power needed to accomplish this?
3. A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.195, and the mass of the sled, including the load, is 210.4 kg. If the horse moves the sled at a constant speed of 1.775 m/s, what is the power needed to accomplish this?
Illustrate the basic environments (legal, social, economic) in which a business operates. You are encouraged to use the library for additional sources to support your description. Remember to use APA format for in-text citations and aligned refer..
The specific heat of a 100-g block of a substance is to be determined.The block is placed in a 25-g copper calorimeter holding 60 g of water at 20°C. Determine the specific heat of the block
If the spring stretches by 2.4cm, what is the coefficient of static friction between the backpack and the table.
A car with a mass of 1.50x10^3 kg starts from rest and accelerates to a speed of 18.0 m/s in 12s. Assume that the force of resistance remains constant at 400-N all through this time. What is the average power developed by the car's engine?
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What is the coefficient of static friction among the coin and the turntable? Express your answer using two significant figures.
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun
In a three-slit system, the first minimum occurs at an angular position of 6.00 degrees. Where is the first maximum
A slingshot consists of a rubber strap attached to a y-shaped frame, with a small pouch at the center of the strap to hold a rock or other small projectile. FIND the potential energy of the system prior to release
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