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One of the things you will need to be able to do is figure out the total momentum of a group of objects. You need to calculate the momentum for each object and then combine the momenta. While combining the momenta (which are vectors), you need to be careful with the directions. If momenta are in opposite directions, take this into account. Consider the positive direction to be to the right. If the momentum is to the left, include a minus sign.
Three blocks are sliding along a frictionless track. Block A (mass 4.54 kg) is moving to the right at 2.20 m/s. Block B (mass 2.27 kg) is moving to the left at 1.32 m/s. Block C (mass 4.58 kg) is at rest. What is the combined momentum of all 3 blocks?
Three blocks are sliding along a frictionless track. Block A (mass 4.54 kg) is moving to the right at 2.20 m/s. Block B (mass 2.27 kg) is moving to the left at 4.40 m/s. Block C (mass 4.58 kg) is at rest. What is the combined momentum of all 3 blocks?
A scuba diver releases a 3.50 cmdiameter (spherical) bubble of air from a depth of 10.0 m in alake. How large is the bubble when it reachesthe surface
The distance between the eyepiece and the objective lens in a certain compound microscope is 18.4 cm. The focal length of the objective is 0.600cm, and that of the eyepiece is 1.80 cm. discover the overall magnification of the microscope.
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm, Find the separation between slits
Two identical piano wires have a fundamental frequency of 640 Hz when kept under the same tension. What fractional increase in the tension of one wire would lead to the occurrence of 10 beats/s when both wires oscillate simultaneously.
The distance of the earth from the sun is 93000000 miles. Find the speed of the earth in its orbit about the sun
If three capacitors of values 1.0, 1.5, and 2.0 microfarads each are connected in parallel, what is the combined capacitance
The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose
An object of mass 5.41 kg is released from rest and drops 2.05 m to the floor. The collision is completely inelastic. How much kinetic energy is lost during the collision
An ideal gas initially at 408 Kis compressed at a constant pressure of 34 N/m2 from a volume of 3.0m3 to a volume of 1.8 m3. What is the change in internal energy of the gas
The currents in household wiring and power lines alternate at a frequency of 60.0 Hz. What is the wavelength of the EM waves emitted by the wiring
A body of unknown mass is attached to an ideal spring with force constant 120 N/m. It is found to vibrate with a frequency of 6.00 Hz. evaluate the mass of the body
Light of wavelength 0.519 µm (in air) enters the water in a swimming pool. What is the wavelength of the light in water
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