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A 47.0 g golf ball is driven from the tee with an initial speed of 54.0 m/s and rises to a height of 23.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. Illustrate what is its speed when it is 9.0 m below its highest point
A 10.00 kg grocery is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. a.) What work is done on the cart? b.)If all frictional forces are neglected, and the cart starts form rest, what is the grocery cart..
A ramp is 25 meters long and is inclined at 30 degrees with the horizontal. A block of mass 25 is pulled up at a constant acceleration of 1 m/s2. The coefficient of kinetic friction is 0.15. If the box starts at rest from the bottom, what would be..
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
A major motor company displays a die-cast model of its first automobile, made from 5.60 kg of iron. To celebrate its hundredth year in business.
How much time passes by they collide
A cylinder is rolling along the ground without the slipping at 7m/s. It comes to a hill and begins going up. Assuming no losses to friction, how high vertically would it go before it stops.
If a 25.00 gram bullet with a speed of 290 travels 14 into a tree before stopping, what's the average force exerted to stop bullet.
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
In fact, the increased normal force at these large angles makes force of friction too large to move the lawnmower at all.
A wave crest passes an observation point followed by a second crest. The time between crest is a period of 168.818 seconds. If the wave is traveling at a speed of 154.167 m/s, how long are the wavelengths?
A flat, uniform, circular disk (R = 2.25 m, m = 84.0 kg) is initially at rest, but it is free to rotate in the horizontal plane about a vertical, frictionless axis through its center.
The leg and cast weigh 220 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 135 N. find the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
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