An in-line skater traveling in a straight line goes from 3 m/s to 9 m/s in 3 s. what is the acceleration ?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

What type of nuclear decay causes the atomic number of an element to increase by 1?

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