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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?
A small plastic sphere with a charge of -5.0 nC is near another small plastic sphere with a charge of -15 nC, what is the distance between the spheres
17. Consider a 1000 meter high column of air sitting next to an identically-shaped 1000 m high column of liquid water.a. Which container will have the highest fluid pressure at the bottom of the column of fluid, or will they be the same? Explain your..
a ball of mass 0.60 kg is fired with velocity 140 ms into the barrel of a spring gun of mass 2.5 kg initially at rest
A 3.11kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform8.23kg cylindrical pulley, What is the rotational inertia of the pulley
A projectile is shot from the edge of a cliff 140 m above ground level with an initial speed of 100 m/s at an angle of 37 degrees with the horizontal. Find out the time taken by the projectile to hit point at ground level.
A steel cable supports an elevator weighing 1800 lb. Starting from rest, the elevator reaches a velocity of 10 ft/s upward in 2.5 sec. compute how long will it take the elevator to fall back to the surface
While giving an injection with a hypodermic syringe, a nurseapplies a force of 3.95 N to the piston of a syringe. The pistonhas a circular cross section of radius 4.00 mm. What is the pressure increase in the fluid within the syringe?
A Satellite circles planet Zeron every 98 minutes. The mass of the planet Zeron is known to be 5.0x 10 24 kg. What is the radius of the orbit of the satellite
An electron is moving at a speed of 1.2 x104 m/s in a circular path of radius r = 1.8 cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron’s path. Discover the magnitude of the magnetic field inside t..
An automobile on a flat track travels at 28 m/s around a curve with a 56 meter radius. Find the automobile's centripetal acceleration
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, find the shortest distance in which the car can stop safely
An 8.70-cm-diameter, 340g solid sphere is released from rest at the top of a 1.50-m-long, 18.0 degree incline. What fraction of its kinetic energy is rotational
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