An aircraft on its take-off run has a steady acceleration of 3 m/s2. What velocity does the aircraft gain in 1 min ?

At what time will the interfering waves have an amplitudeof zero?

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?