A powerful 0.54-W laser emitting 640-nm photons shines on a black sail of a tiny 0.10-g cart that can coast on a frictionless track.
A) Determine the force of the light on the sail. Assume that the light is totally absorbed by the sail.
B) What time interval is needed for the cart's speed to increase from zero to 2.0 m/s?
A powerful 0.54-W laser emitting 640-nm photons shines on a black sail of a tiny 0.10-g...
A powerful 0.54-W laser emitting 670-nm photons shines on a black sail of a tiny 0.10-g cart that can coast on a frictionless track. Part A Determine the force of the light on the sail. Assume that the light is totally absorbed by the sail. Express your answer to two significant figures and include the appropriate units. F = SubmitMy AnswersGive Up Part B What time interval is needed for the cart's speed to increase from zero to 2.0 m/s?...