A 2.0 kg toy car is released at the top of a frictionless track on the left and rolls off of the track from its right side ramp. The car starts at a height of 0.80 m, goes through a 0.50 m diameter loop, and exits the ramp at a
height of 0.25 m.
what is the change in the cars gravitational potential energy form A to B?

when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

snell's law

refractve index = sin incidence / sin refraction

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it