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A robber's getaway vehicle, which can travel at 0.8c, is pursued by a cop. whose vehicle can travel at 0.4c. Realizing that he cannot catch up with the robber, the cop tries to shoot him with bullets that travel at 0.5c (relative to the cop). Can the cop's bullets hit the robber?
A very large truck sits on a frozen lake. Assume there is no friction between the tires and the ice. A fly suddenly smashes against the front window. What will happen to the truck?
A 5,20 g bullet moving at 672 m/s strikes a 700 g wooden block at rest on a frictionless surface. What is the speed of the bullet-block center of mass
A 79 kg pole-vaulter falls from rest from a height of 4.6 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.30 s after landing on the pad. compute the athlete's velocity just before reaching the pad.
A car is behind a truck going 25m/s on the highway. The car's driver looks for an opportunity to pass, guessing that his car can accelerate at 1.0m/s2. He gauges that he has to cover the 20-m length of the truck, plus 10m clear room at the rear of..
The moment arm of the should abductor muscles is approximately 5 cm from the axis of roation of shoulder joint, calculate the horizontal component of the joint reaction force
The expected and the actual rate of return on plan assets for 20X9 was 10%. There are not other components of Loch's pension expense. Illustrate what amount should Loch report in its December 31, 20X9 balance sheet as prepaid pension cost?
A projectile is launched with initial speed of 60 m/s at an angle of 30 degrees above horizontal. the projectile lands on hillside 4 seconds later. what is velocity at the highest point of trajectory
A circle of rope of total mass 1kg and radius 1m is spinning at angular velocity 2.5 rad/sec about an axis through the center of the circle
A converging lens with a focal length of 5.0cm is to the left of a second identical lens. When a feather is placed 13cm to the left of the first lens, What is the separation between the lenses
A rocket starts from rest and moves upward from the surface of the earth, What is the speed of the rocket when it is 340m above the surface of the earth
One solenoid is centered inside another. The outer one has a length of 48.0cm and contains 6600 coils, What is the mutual inductance of these solenoids
A particular wire has a resistivity of 3.5 ? 10-8 ·m and a cross-sectional area of 3.9 ? 10-6 m2, What length of wire is required
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