Why does a ship need an anchor

The size particles in a solution is about 1nm (1nm = 0.000000001 m). Write 0.000000001m in scientific notation.

Which circuit component usually acts as a switch or amplifier?

Which is a "big idea" for space and time?

Two objects of masses 100g and 200g are moving along the same line and direction with velocities of 2 m/s and 1 m/s respectively. They collide and after the collision, the first object moves at a velocity of 0.5 m/s.

Water in the form of a gas is called water vapor and it is a result of the process of water evaporation?

Which statement about how light travels is true? A Light waves need a medium to travel, and they travel at the same speed even if the light source is moving.

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Unless otherwise posted, what is the speed limit in a school zone? florida

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?