You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. ball strikes surface and energy decreases by 0.14j, then bounces upward. how much kinetic energy does the ball have just after it bounces off the flat surface?

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

An object's buoyant force and weight mean the same thing.a. trueb. false

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors