A 4600 kg helicopter accelerates upward at 2.0 m/s squared by the upward life (Fa) exerted by the air on the propellers. Assume that there is no air resistance. Calculate the net force of helicopter using Newton's 2nd Law.
Calculate the helicopter's weight?
Calculate the lift-force (Fa) exerted by the air on the propellers
Please I need the answers

Which energy transformation occurs in the core of a nuclear reactor? nuclear energy mechanical energy nuclear energy - thermal energy thermal energy -- nuclear energy mechanical energy - nuclear energy

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

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