Defination of centre of curvature of a lens.

Productivity increases when A. inputs increase while outputs remain the same. B. inputs decrease while outputs remain the same. C. inputs and outputs increase proportionately. D. outputs decrease while inputs remain the same.

A 45.0-N force pushes a cart 12.5 meters down a hallway. What is the work done on the cart?

Four blocks of weights are required using which any body whose weight is between 1kg and 40 kg can be weighed. Find the four weights

2 inches of rain fall in 30 minutes what is the rate

Suppose you have two identical sheets of paper and you crumple one of the sheets of paper into a ball.

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.

A wave passes through an opening in a barrier. The amount of diffraction experienced by the wave depends on the size of the opening and the wave's (1) amplitude (3) velocity (2) wavelength (4) phase

Balanced - Forces acting on an object are balanced if the ... If forced on an object are balanced then the object cannot be ...

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

If a truck has a mass of 2 x 106 grams and a velocity of 35m/s, what is its momentum? kgm/s a. 2 million b. 70 c. 57.14 d. 70,000 e. 57,100