Two identical cars collide head on. Each car is traveling at 100 km/h. The impact force on each car is the same as hitting a solid wall at:

(a) 100 km/h

(b) 200 km/h

(c) 150 km/h

(d) 50 km/h

Which describes the ability to do work or to cause change?

The more particles a substance has at a given temperature, the more thermal energy it has.

What formula gives the strength of an electric field, E, at a distance from a known source charge?

If the temperature warning light/gauge goes on, what should one do? Stop as soon as you can at a safe place and shut the engine off. Open the radiator cap to check the water level. Keep driving to the nearest mechanic.

How much physical activity should an adult have each week? A. 60 minutes per day, 7 days a week B. 30 minutes per day, 7 days a week C. 60 minutes per day, 5 days a week D. 30 minutes per day, 5 days a week

A spring tide can occur at what day and month?

For a given launch velocity, at which launch angle does the projectile undergo the maximum horizontal displacement

Electric force is blank proportional to the amount of charge and blank proportional to the square of the distance between the charges

What happens in the gray zone between solid and liquid?

Which statement describes Newton's law of universal gravitation? Mass has hittle effect on gravity between objects. Gravity pushes objects away from Earth's center, Gravity does not act between Earth and the moon.