four billard balls .each of mass 0.5kg are all are travling in the same direction on a billiard table ,with speed of 2m/s ,4m/s .8m/s and 10 m/s .what is the linear momentum of this system

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

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