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An automobile has a mass 2100 kg and a velocity of 17 m/s. It makes a rear-end collision with a stationary car whose mass is 1900 kg. The cars lock bumpers and skid off together with the wheels locked.
What is the velocity of the two cars just after the collision?
Find the impulse (magnitude and direction) that acts on the skidding cars from just after the collision until they come to a halt.
Suppose you could pack neutrons (mass = 1.67 × 10-27 kg) inside a small ball of radius 0.033 m in the same way as neutrons and protons are packed together in the nucleus of an atom. Approximately how many neutrons would fit inside the ball
The turntable of a record player has an angular speed of 9.7
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.225 T, find the radius of the circular path
An 8.54kg block of ice at 0 %u2218C is sliding on a rough horizontal icehouse floor (also at 0 %u2218C) at 15.2m/s, What is the maximum amount of ice that will melt
a werewoflf vaulting over a fence is spotted by some hunters. The hunters shoot a specially molded silver bullet and hit the creature in the shouldr. find the angular velocity of the werewolf after the collison
A system undergoes a two-step process. In the first step, the internal energy of the system increases by 228 J, What type of process is the overall process
A 52.6-kg skateboarder starts out with a speed of 2.16 m/s. He does 89.2 J of work on himself by pushing with his feet against the ground. Calculate the change (PEf - PE0) in the gravitational potential energy
A 56 kg woman and a 78 kg man stand 13.0 m apart on frictionless ice, How far from the man is their center of mass
Two plastic spheres, each carrying charge uniformly distributed throughout its interior, are initially placed in contact and then released. Find the maximum speed achieved by the sphere
If the pendulum makes a maximum angle of 5.4? with the vertical, what is the length of the pendulum
What is the charge per unit area on the plastic sheet.
What is an expression for the maximum displacement of m2
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