A wave has a wavelength of 10mm and a frequency of 5 hz what is the speed?

A car with a mass of 1,000 kg moving with an initial velocity of 8 m/s is brought to rest by colliding with a truck. The collisions takes place over a time span of 0.2 s. Calculate the force exerted on the car

Resistance of a conductor is directly proportional to length. True or False

Name two types of potential energy,

A man is walking towards the back of an airplane at 7 mi./s the plane is flying west at 245 mi./s what is the speed and direction of the plane relative to the man

how are robots programmad

An example of objects the move in revolution

How many hops does a kangoroo do in 1 day

What are the average velocity and average acceleration of the tip of a 2.4 cm long hour hand of a clock?

What is the number one and most important rule to remember in soccer?

Why are convection currents; why are they hotter and colder parts of earth