A zoom Question 10
Which of the following is true of lunar eclipses?
Alunar eclipse happens when the Sun is blocked by the Moon
Alunar eclipse occurs when Earth is between the Sun and the Moon
Alunar eclipse happens when the Sun's shadow is blocking the Moon
D
Alunar eclipse happens every lunar cycle when the Moon is full,

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped