In archery, should the arrow be aimed directly at the target? How should your angle of aim depend on the distance to the target?
What velocity would a proton need to circle Earth 1 000 km above the magnetic equator, where Earth s magnetic field is directed horizontally north and has a magnitude of 4.00 10 8 T?
The Vincci Shoe Company operates a chain of shoe store that sell 10 different styles of lady shoe with identical unit costs and selling prices. A unit is defined as a pair of shoes. Each store has a store manager who is paid a fixed salary. Individual salespeople receive a fixed salary and a...
"A 11.0 g bullet is fired horizontally into a 102 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 141 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 82.0...
A proton is traveling horizontally to the right at 5.00 106 . Find (a)the magnitude and (b) direction of the weakest electric field that can bring the proton uniformly to rest over a distance of 3.10 the angle = ??!!
two heavy boxes of masses 24.0 kg and 36.0 kg sit on a smooth, frictionless surface. The boxes are in contact, and a force of 60.0 N is applied horizontally to the smaller box. what is the acceleration of the two boxes?