Differents between foundamental quantity and derived quantities

A ball travels from north to south at 60km/h. After being hit by a bat, it travels from west to east at 60km/h. Is there a change in velocity?

If a car with mass 750 kg is lifted to a height of 2.3 m how much gravitational potential energy is added to the car

The magnitude of a force is 36units if 1kg, 1m and 1s are taken as fundamental units. Find the value of this force in cgs system

Calculate the number of moles in each of the following masses: 0.039 g of palladium 0.0073 kg of tantalum

The amount of energy carried by a wave is proportional to the square of the wave's A. frequency B. amplitude C. wavelength D. period ... ?

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol

Locomotor movement applies to which of the following motions running squatting bending twisting