Suppose you have two bar magnets. Only one of the magnets has the north and south poles labeled. How would you determine which was the north and which was the south pole on the unlabeled magnet?

different kinds of wood have different densities. the density of pine is generally abouf 0.48. gm/cm cubed. what is the mass of a 600 cm cubed peice of pine.

Different between accurate and procession measurements

4. The time it takes an object to rotate once is

The Lamborghini Huracan has an initial acceleration of 0.75g. Its mass, with a driver, is 1510 kg.

Consider 500 g of silver (atomic mass 107 g/mol). Assume that the temperature is high enough that equipartition applies.

How does a change in resistance affect the conductivity of a material? A) The lower the resistance, the worse the conductivity B) The lower the resistance, the better the conductivity C) The higher the resistance, the better the conductivity D) The

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

What is a result of using a machine?

A boy rides motorbike with velocity of 20 m/s He accelerates his motorbike to a velocity of 30 m/s for 5 second. Calculate the acceleration produced in the motorbike. [Ams 2ms

How is a star's emission spectrum used to study stars?