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Ellen and Angela each have a mass of 45 kg, and they are moving together with a speed of 10.0 m/s.
1. What is their combined kinetic energy?
2. What is the ratio of their combined mass to Ellen’s mass?
3. What is the ratio of their combined kinetic energy to Ellen’s kinetic energy? Describe.
Consider a two lens system, where f1=5 cm f2=-4 cm The distance between the lenses is 15 cm. calculate the position of the image from the first lens
The aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen, find the magnitude (in m/s2) of the blood's centripetal acceleration
After a 3.01 resistor is connected across a battery with a 0.21 internal resistance, What is the rated emf of the battery
you have two capacitors one with capacitance 19.5 of and the other of unknown capacitance. you connect the two
A 1,652 kg car moving east at 12 m/s collides with a 1,526 kg car moving south at 15 m/s and the two cars stick together after the collision. Find the velocity of the cars right after the collision
the beam of neutral hydrogen atoms with a speed of 104 ms along the x-axis enters a 1m long region where there is an
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.
A mass spectrometer is set up to measure the mass to charge ration (m/z) of chemicals by ionizing a molecule by stripping it of one of its electrons and sending it through an area with a constant magnetic field of 0.25T. How far in cm did the dete..
A satellite 8.3x107 km above the surface of a celestial body, whose radius is 39,000 km and whose mass is 6.0x1027 kg, Which clock will be running faster
What is least value for which stick remain in equilibrium
you throw a book straight up from s height of 2 meters above the ground with a speed of 15m/s. what is the maximum height above the ground that the book reaches
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 125 km long, 32.6 km wide, and 159 m thick. (a) How much heat in joules would be required to melt this iceberg (assumed to be at 0 °C) into liquid ..
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