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While riding bumper cars at the fair, bob's car collides directly with the back of joe's car while both cars are moving to the right. before the collision, joe's car was traveling at 1.8 m/s and bob's car at 2.0m/s. the combined mass of joe and his car is only 80 kg, and the combined mass of bob and his car is 100 kg. immediately after the collision, joe's car moves right at 2.0 m/s. how fast and in which direction does bob's car move?
a parallel-plate capacitor has plates separated by 0.76 mmpart a if the electric field between the plates has a
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
You stand on a frictional platform that is rotating at 1.3 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
A certain light source is found to emit radiation whose peak value has a frequency of 8.28 Ã- 1014 Hz. Find the temperature of the source
The figure shows two 22.7 kg ice luges that are at rest and placed a short distance apart, one directly behind the other. What are the final speeds of the first luge
A composite bar oflength L = L1 + L2 is made from a bar of material 1 and length L1 attached to a bar of material 2, Show that the coefficient of linear expansion
The coordinate system has its origin at the center of the square. A point mass, m, of 4.21·102 g is placed at one corner of the square object, and the assembly is held in equilibrium by positioning the support at position
the space shuttle takes off from cape canaveral in florida and orbits earth 17 times before landing back at cape
Suppose that a radioactive sample contains equal numbers of two radioactive nuclides A and B at t = 0. Find the ratio of the decay rates or activities RA/RB
A jogger accelerates from rest to 2.40 m/s in 3.44 s. A car accelerates from 18.8 to 36.5 m/s also in 3.44 s. Find the magnitude of the acceleration of the jogger
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 40 km away.
Eight uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 6.53-V battery, Find the capacitance of each capacitor
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