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Two beetles run across flat sand, starting at the same point. Beetle 1 runs 0.50 m due east, then 0.90 mat 27° northof due east. Beetle 2 also makes two runs and the first is 1.6 m at43° east ofdue north.
(a) What must be the magnitude of its secondrun if it is to end up at the new location of beetle 1?m(b) In what direction must it run?° (counterclockwise from due east)
A 11.2 kg object oscillates at the end of a vertical spring that has a spring constant of 1.90 104 N/m. Calculate the frequency of the dampened oscillation
An observer inside the building notices that it takes 0.15s for the tile to pass her window, whose height is 2.20m. How far above the top of this window is the roof.
A spherical ball of charge has radius R and total charge Q. The electric field strength inside the ball(r?R) is E(r)=Emax(r4/R4). Find an expression for the volume charge density ?(r) inside the ball as a function of r
A mass (10 kg) rests on a surface (ustatic=0.6) connected by a cord to a hanging mass of 2 kg. What is the acceleration of the heavier mass
A car moving at 8 m/s crashes into a barrier and stops in 0.050 s. There is a 17-kg child in the car. What is the impulse needed to stop the child
A set of charges are arranged in the following way: a 10.0 nC (nanocoulomb) positively charged particle sits at the origin of a coordinate system, Sketch a diagram of this charge configuration
neptune circles the sun at a distance of 4.50*10^12 once every 164 years. what is the orbital period of saturn
A sphere is charged with electrons to ?5 × 10?6 C. How many electrons make up this charge? The elemental charge is 1.6 × 10?19 C
A billiard ball moving at 5 m/s strikes a stationary ball of the same mass. After the collision, find the struck ball's velocity (magnitude and direction) after the collision
During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad, What total distance did the canister travel between its release and its crash onto the launch pad
A 667 kg car stopped at an intersection is rear-ended by a 1600 kg truck moving with a speed of 13.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after t..
A box is sliding up an incline that makes an angle of 13.4° with respect to the horizontal. How far does the box travel along the incline before coming to rest
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