A person drives 70 km/h in 1 hour to the east, then 80 km/h for another hour to the east. What

was the average velocity for those 2 hours?

An object in simple harmonic motion has an amplitude of 0.360 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion.

The coefficient of linear expansion of steel is 12 * 10-6 K-1. What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K from winter to Summer?

Darwin observe different species of an animal in separate Galapagos island which did he observe

The volume of a substance must be measured several times during an experiment. Which units should be used to measure the volume of the substance? centimeters milligrams kelvins liters

Choose all the ways that charged can be transferred.

What is the phenomenon thats occours when two waves (blank) while traveling along the same medium

The acceleration of an object increases by the force applied to it and decreases based on it's mass.

Expresa en terminos de la unidad fundamental

What color does Indigo turn things?

Which equation expresses the conservation of mechanical energy in a system that involves kinetic energy, gravitational potential energy, and elastic potential energy?