Chọn đáp án
giúp với mn
----- Nội dung dịch tự động từ ảnh -----
it an
A stone is thrown vertically upwards with a speed
3.
of 20ms near the edge of a cliff and falls down
to hit the beach below the cliff 6.0s later.
20ms
What is the height H of the cliff?
A 56.4 m B 86.4m C 176m D 296m
4 (a) Explain the difference between a scalar
quantity and a vector quantity.
(b) Underline the vector quantities in the list
below:
speed displacement acceleration velocity [1]
----- Nội dung dịch tự động từ ảnh -----
it an
A stone is thrown vertically upwards with a speed
3.
of 20ms near the edge of a cliff and falls down
to hit the beach below the cliff 6.0s later.
20ms
What is the height H of the cliff?
A 56.4 m B 86.4m C 176m D 296m
4 (a) Explain the difference between a scalar
quantity and a vector quantity.
(b) Underline the vector quantities in the list
below:
speed displacement acceleration velocity [1]