Ms. Nomer keeps her classroom keys on a massless flexible lanyard. This morning, she placed the lanyard on a table with her 1.75kg wallet securing it, and her keys hung down off the edge of the table, motionless. If μs between the table and the lanyard is 0.12,

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

i will answer your question if you answer mine

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.