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A 10.0 gram bullet is fired into and embeds itself in a 1.75 kilogram block attached to a spring with a spring constant of 23.0 N/m and whose mass is negligible. Obtain how far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless plane? (Note: You must use conservation of momentum in this problem.)
Light with a photon energy of 4.5 eV impinges on the surface of a material with work function 0.4 eV to eject electrons
An electric motor rotating a workshop grinding wheel at a rate of 1.10 102 rev/min is switched off, How long does it take for the grinding wheel to stop
A gymnast of mass 59 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and presume that the rope does not stretch. Utilize the value for the acceleration of gravity.
an 82 kg logger is standing on a stationary 360 kg log floating at rest in a pond. the logger begins to walk along the
In one day, a 75 kg mountain climber ascends from the 1500-m level on a verical cliff to the top at 2400m. What is the change in her gravitational potential energy
The ball is 21.9 m from the goal post. The ball is kicked with an initial velocity of 19.8 m/s at an angle θ above ground. Between what two angles, θ1 and θ2, will the ball clear the 2.74m high crossbar.
On illustrate what form does an S corporation report its income to the IRS? When is the tax return due? Illustrate what information does the S corporation provide to shareholders to allow them to complete their tax returns?
You rub an inflated balloon on the carpet andit acquires a potential that is 1500 V lower than its potential before it became charged. If thecharge is uniformly distributed over the surface of the balloon andif the radius of the balloon is 13.0 cm..
When you push a 1.80-kg book resting on a tabletop, it takes 2.45 Nto start the book sliding. What is the frictional force exerted on the book
q1. a space traveller whose mass is 104kg leaves earth. what are his weight and masson earth and in interplanetary
The isotope 64Cu can decay by EC, beta- and beta + transtions, calculate the average enrgies of emitted beta- and beta +
Consider a rocket launched from Vandenberg AFB, CA (longitude=34.6 degrees) having an initial velocity of 3 km/s in the northerly direction relative to the launch site.
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