Automobile airbags reduce what in a crash?

The waves created by two speed boats in a lake interact to form larger waves. This is an example of: A. constructive interference. B. destructive interference. C. absorption D. transmission

Suppose a cart is being moved by a certain net force. If a load is added to the cart so its mass is doubled, what is the ratio of the new acceleration to the old acceleration? 1. 4 2. 2 3. 0.625 4. 3 5. 1 6. 0.333 7. 0.25 8. 0.2 9. 0.5 10. 1.5

A car is traveling at an average speed of 12m/s for 7.2 hours. How far did the car travel

A glass lying on table doesn't possess friction. why?

An ion with charge of Q = + 3.2 x 10-19 C is in a region where a uniform electric field of magnitude E = 5.0 x 105 V/m is perpendicular to a uniform magnetic field B = 0.80 T. If the ion's acceleration is zero then what is its speed v? a) v = 1.

What is the correct formula for Na + and (SO4) 2 - ? A. Na2SO4 B. Na2 (SO4) 2 C. NaSO4 D. NaSO6

which of the following objects is considered negatively charged A - one with excess electrons on the surface B - one with excess neutrons on the inside C - one with excess protons on the inside D - one with excess protons on the surface

In general, how do the densities of a material in solid and liquid form compare?

Alana summarized what happens when a ball sitting on top of a grassy hill rolls down the hill. The motionless ball has potential energy. Once the ball starts to roll down the hill, new kinetic energy is made.

What unit is commonly used when measuring the energy rating of an electrical appliance