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The magnitude of the force exerted by a spring is given by F = kx where x is the amount of stretching/compressing of the spring. What must be the units associated with k expressed in terms of fundamental SI units?
A projectile os fored at 35 degrees above the horizontal. Its initial speed is equal to 100 m/s. What is the maximum height reached by the projectile
A force of 2 N is applied to a stationary 5 kg block for 0.3s. What is the speed of the block after the force is applied
Density-Gravity Problem: a) Planet Vulcan has twice the mass of Earth and the same radius. What are its volume, density and surface gravity compared to Earth?
A pendulum consists of a .155 kilograms ball hanging from a light thread, find the angle the pendulum string makes with the Vertical when the system is in equilibrium
Radioactive isotopes are often introduced into the body through the bloodstream. If the decay rate in the thyroid 24.0 d later is actually measured to be 17.0Bq , what percent of the tracer went to that gland
When traveling past an observer with a relative speed v, a rocket is measured to be 9.10m long. What is the proper length of the rocket
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.7 degrees. Find the the angle the resultant force makes with dog A's rope
A 25000 kg rocket ship accelerates upwards by reason of constant 1.25MH of thrust from its engine. A simple pendulum on the ship is observed to complete 100 full swings in 75 seconds. What is the length of string.
A certain light truck can go around a flat curve having a radius of 150 m with a lowest speed of 38.0 m/s. With what maximum speed can it go around a curve having a radius of 87.0 m.
A hubcap comes off a car that is traveling 100m/s . If it stops rolling after traveling 25 m, How many revolutions did it turn through before stopping
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 920 kg cdot m^2. The platform rotates without friction with angular velocity 0.85 rad/s. The person walks radially to the edge ..
The work function of a certain metal is ? = 2.55 eV. Determine the minimum frequency of light f0 for which photoelectrons are emitted from the metal. (Planck's constant is: h = 4.1357×10-15 eVs.)
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