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Question: A carpenter swings a 3-kg hammer so that its speed is 5 m/s just before it strikes a nail. The nail is driven 6 mm into a block of wood.
- Assuming that a constant force resisted the motion of the nail, what must have been the magnitude of the force?
One of the loudest sounds in recent history was that made by the explosion of Krakatoa on 26-27 August 1883. compute the decibel level on Rodriguez Island
question 50g of gasoline are mixed with 40g of water. what is the average density kgm3 of the mixture? 55g of gasoline
Write six pages paper about Bassel equation illustrating that with filter examples.
A 168 kg polar bear standing 1.2 meters tall walks onto a floating sheet of ice 0.305 m thick. What is the surface area of the ice floe
A golfer imparts a speed of 30.3 m/s/ to a ball, and it travels the maximum possible distance before landing on the green. How much time does the ball spend in the air
A 10 g ball of clay traveling east at 1.5m/s collides and sticks together with a 30g ball of clay traveling north at 2.5m/s. What is the speed of the resulting ball of clay
The nucleus of a 125Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q =+54e. What is the proton's acceleration? What is the electric force on a proton 2.2fm from the surface of the nucleus..
The mass The sun is 1.99×10 to the 30th power kilograms and his distance from Earth is 150,000,000 km what is the gravitational force between the sun and earth
using a rope a child holds a sled at rest on a 30.0 degree inclined frictionless snow-covered hill.a if the sled weighs
In a series RL circuit where R = 100 Ohms and XL = 50 Ohms, which of the following combinations is equivalent to the given series circuit?
A vibrating guitar string emits a tone simultaneously with one from a 500-Hz tuning fork. If a beat frequency of 5 Hz results, what is the frequency of vibration of the string
You fire a bullet from a height of 50m with a horizontal velocity of 50 m/s to the right. Which bullet will hit the ground first
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