Một chiếc xe hơi đang chạy đang chạy qua một khúc cua có dạng cung tròn. Nếu xe chạy với tốc độ không đổi 50km/h thì gia tốc của nó sẽ khác thế nào so với khi chạy tốc độ 80km/h . Xe có thể chạy với tốc độ cao nữa không?Vì sao

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.