Achild stands between two mirrors with his arms out, perpendicular to the mirrors. one plane mirror is 5 m away from his left hand and another plane mirror is 7 m away from his right hand. how far apart are the two images produced by the mirrors if the child has an arm span of 0.5 m? a. 2 mb. 12 mc. 12.5 md. 24.5 m

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves