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What is the relationship between impulse and motion?What is the relationship between pairs of forces in certain situations?Put these results together to draw a general conclusion comparing the motion of two objects before a collision with their motion after a collision. You should be able to find a quantity which will remain unchanged in a collision. Be sure to justify your reasoning.
The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 43o by a brace that isattached to a pin. The beam has a weight of 349 N. Three additional forces keep the beam i..
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 550 J in it? Find the amount of stored charge
Two bars of identical mass are at 30 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J / (kg • C°).
a 80.0 kg football player leaps straight up into the air with no horizontal velocity to catch a pass. he catches the
A 35.0-mH inductor has a reactance of 1.80 k. What is the frequency of the ac current that passes through the inductor
A particle is located at r=(4.1i+3.1j+5.6k)m . A force F=(9.5j-3.5k)N acts on it. What is the torque, calculated about the origin
A proton moving at 7.20 106 m/s through a magnetic field of magnitude 1.74 T experiences a magnetic force of magnitude 7.40 10-13 N. What is the angle between the proton's velocity and the field
a car originally traveling at 30ms manages to brake for 5.0 seconds while traveling 125 m downhill. at that point the
A circus juggler performs an act with balls that he tosses with his right hand and catches with his left hand. what is the maximum number of balls he can juggle
The potential difference across a resting neuron in the human body is about 105.0 mV, How much power does the neuron release
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. Find the magnitudes of the net force acting on the electron
A 4.94-g bullet is shot through a 0.99-kg wood blocksuspended on a string 2.00 m long. The center of mass of the blockrises a distance of 0.50 cm. Find the speed of the bullet as itemerges from the block if its initial speed is 393 m/s.
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